Windows reinstall not Guinine error - Windows 7 Pro

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• Another Windows not genuine error - reinstall Windows-Pro -.

  I had to reinstall Windows 7 Pro on my computer.  Had trouble with the hard drive and had to reformat and blow to remove all partitions.  Now it says my version of windows is not genuine.  I have the real DVD - Windows 7 Pro - Service Pack 1 64-bit.

  I ran the Diagnostics tool of the MGA, but when I clicked on the "Copy" button I get the following error: could not create output files, hr = 0x800706b5. Please contact the support.

  Any help would be appreciated

  Hi Dave,.

  Thanks for the updates,

  Since you are unable to access the activation of the phone by entering commands, try the steps in the article and check if you can make the phone activation:

  Activate Windows 7 on this computer

  How to contact a Microsoft Product Activation Center by phone

  Hope the helps of information. Let us know if you need help with Windows related issues. We will be happy to help you.

• Can I do a clean install of Windows 7 Pro 64 bit on Vista Ultimate 32-bit upgrade. Installation file will not work. The error is described below.

  The XPS 730 with Intel Q9450 computer yourself running Windows 7 64 bit? The details of performance show that it is capable of 64-bit. When I try to install Windows 7 pro 64-bit upgrade, the installer will not work. I get an error that reads:
  The version of this file is not compatible with the version of Windows that you are running.
  
  I'm currently running Vista Ultimate 32 bit. Everything that I read on Microsoft and elsewhere says that you can go from Vista 32 bit to an operating system Windows 7 64-bit as long as you do the clean install. I'm that far away since I can't even run the installation.
  Maybe nobody knows what could be the problem?

  Hi Hal K,

  Thank you for visiting Microsoft Answers.

  If you are currently running a 32-bit version of Windows, you can only perform an upgrade to another 32-bit version of Windows. Similarly, if you run a 64-bit version of Windows, you can perform an upgrade to another 64-bit Windows version.

  If you want to move from a 32-bit version of Windows to a 64-bit version of Windows, and vice versa, you will need to back up your files and then perform a custom of the version of Windows you want to install installation.

  You can see the following link, installation and reinstallation of windows: http://windows.microsoft.com/en-us/windows7/Installing-and-reinstalling-Windows

  http://Windows.Microsoft.com/en-us/Windows7/32-bit-and-64-bit-Windows-frequently-asked-questions

  Swati K - Microsoft support technician
  Visit our Microsoft answers feedback Forum and let us know what you think.

• missing Ntoskrnl.exe and other errors when who reinstall windows 7 pro 64-bit

  I had windows installed on a HARD drive and received an SSD and I decided on the SSD HARD drive image, so I wouldn't have to reinstall. As I suspected it might that cause some problems and I decided to simply wipe the SSD drive and attempt to reinstall. I wiped the SSD and started my windows 7 Professional 64-bit SP1 DVD. It will pass through the first process (Windows loading files) with the screen of levels of grey and the downstairs, but subsequently loading bar, I get an error telling me that the ntoskrnl.exe is missing or damaged, and I have no option other than to try again to load the disc, or stop. I have another disc of Windows 7 Professional 64 bit I tried to use, and it gave me the same message. There are a few other errors I received, I do not at the moment, but as soon as I get some time and if I get them again once I will update the thread with this info.

  I also ran memtestx86 and there were errors with a specific location, but I just removed the RAM of this niche and I guess it should be OK after that. Am I wrong?

  I am the computer OEM. If I need to provide more information please let me know and I can accommodate.

  Thank you.

  The problem was with RAM. One of my 4GB DIMMS was bad. I removed and changed my poles autour needed and I could boot disk Windows 7 Pro and install correctly.

  A faulty RAM stick was causing the problem.

• EliteBook 2570p: Windows 7 Pro OEM activation error after reinstall onto the new HARD drive

  Greetings!

  I had to replace my laptop HARD drive and then clean installed windows iso downloads, burned on a dvd.

  I first tried Windows 10 (build 1511), then Windows 7 Pro 64 bit with SP1. Or activate using the key OEM COA sticker.

  I tried MS activation of phone also, but they said that they could not generate a confirmation key. They tried to transfer me to "get windows up and running support" but could not get through.

  The first activation says invalid key without being connected to the internet, which makes me wonder if there is an inconsistency between my product key and SLIC data, (which I do not have much understanding).

  The service 'Ask Tech' at Microsoft tried to sell me a license at a high cost, which I don't think I should need because I have the license OEM Windows 10 retail.

  I don't have HP recovery disks (and did not expect to need).

  Any advice would be welcome!

  (the location is the South Africa)

  NoKillBill

  The problem is that you should NOT use Win7 ISO downloads to reinstall your PC.  Given that your PC came with a preinstalled HP Win7 OEM version, and is NOT available for download, I have to assume that what you used to reinstall a retail version.

  And the problem is that the commercial version only lights up with a retail key.  The product key that came with your PC and is printed on the COA sticker, is a key to OEM HP product - and that cannot be used to activate any other than the version from HP OEM version of Win7.

  Your best bet at this point, is to restore your PC using HP recovery media - and then perform the upgrade of Win10 after that.

  It is a DVD and CD set that will erase the hard drive (removing all data, applications and settings, reinstall the original OS, drivers and utilities for HP. In some cases, you will be able to order a USB instead of discs.  You must order at HP; they cannot be downloaded.
  
  You can look online for recovery from the paged media related: http://support.hp.com/us-en/drivers
  
  Once there, enter your product name or number. On your software page and download the drivers, select your operating system and version. Click on "Update".  If the HP recovery support is available for your computer, down near the bottom of the page, you will see an entry for the command Recovery Media-CD/DVD/USB. Click on the symbol '+' to expand this entty and click on order to press for more details.
  
  Or, if you prefer, you can do the same by contacting HP Customer Service:
  
  If you live in the United States or the Canada, details are on this page: http://www8.hp.com/us/en/contact-hp/phone-assist.html#section1
  
  If you live elsewhere, contact details are on this page: http://www8.hp.com/us/en/contact-hp/ww-contact-us.html
  
  Note that if HP no longer provides a recovery media for your model, a few other sites, you can check are: http://www.computersurgeons.com/ and http://www.restoredisks.com/
  
  Good luck
  
  I'm a volunteer and I do not work for, or represent, HP.
  ========================================================================
  If you feel that my suggestions helped you, please click on the thumbs-up symbol to say thank you!
  
  If they helped to solve your problem, please click 'Accept as Solution' to help others find similar information.

• I tried ubont in my pc but windows xp pro, I have the product key, but not the cd has lost can you help me to reinstall on IBM thinkpad

  Ihad tried to install ubount on my thinkpad IBM, in doing so, I lost all my windows xp pro cannot start this back, I have my key but not a dic # how to reinstall it back on my IBM thinkpad T23 thanks

  Did you install Ubuntu?

  If so, you will need to get a drive OEM from a friend and use your key.  Make sure that it is a key OEM and OEM disk during installation.

• I did a clean install of Windows XP Pro: Service Pack 1; Update will be not updated: 0x8024400A error

  I did a clean install of Windows XP Pro: Service Pack 1; Update will be not updated: 0x8024400A error

  Pass on several machines, cannot not run fix - it because I don't have the right to service pack cannot update the service pack because I can't update because of the 0x8024400A error

  About to panic. Could use some real help on this and not only refers to

  http://support.Microsoft.com/kb/836941

  The computer is a Dell Optiplex GX280

  What I installed is the chipset & drivers for the controller of the motherboard & ethernet.

  Internet works fine on the device, I am writing to you from him.

  Also, tried installing IE8 on one computer and run windows update, same error.

  I did a clean install of Windows XP Pro: Service Pack 1; Update will be not updated: 0x8024400A error

  Pass on several machines, cannot not run fix - it because I don't have the right to service pack cannot update the service pack because I can't update because of the 0x8024400A error

  About to panic. Could use some real help on this and not only refers to
  http://support.Microsoft.com/kb/836941

  The computer is a Dell Optiplex GX280

  What I installed is the chipset & drivers for the controller of the motherboard & ethernet.
  Internet works fine on the device, I am writing to you from him.

  Also, tried installing IE8 on one computer and run windows update, same error.

  Relax and breathe.

  FIRST: Uninstall IE8 and IE7 if they are installed.  Back to all the way back to IE6.  You want other patches before you get those.  Reboot after doing this.

  You are not the first to ask questions about how to upgrade a clean Windows XP - not even installation in the last week. In fact, I will just cut and paste my answer here... here:

  Get SP2 (manually) and save it to your desktop. (There's a link here.) [You are a COMPUTER professional for now.]

  Install it.

  Then restart at least a couple of times for a few minutes between each restart.

  Get SP3 (manually) and save it to your desktop. (There's a link here.) [You are a COMPUTER professional for now.]

  Install it.

  Then restart at least a couple of times for a few minutes between each restart.

  Download at least Internet Explorer 7 (if it is not Internet Explorer 8).

  Install it.

  Reset.

  Now, try to get the updates through the normal web page (http://windowsupdate.microsoft.com/) and see how much more you can get (100 +) and keep checking until you no longer have.

  Back - let everyone know if it worked for you.

• Error after fresh install Windows XP Pro Service Pack 3: you may be unable to access the Windows Update site... If these versions of Windows are not updated with the latest Service Pack

  I tried that at this link:
  http://answers.Microsoft.com/en-us/Windows/Forum/windows_xp-windows_update/error-after-fresh-install-of-Windows-XP-Pro/a617bb44-9944-4338-b82e-c18372ad986f?page=4&TM=1313954410562

  In particular, I tried everything (except #7-la destruction - because I just destroyed yesterday... LOL)

  1 reset
  2 Run Installer Windows Update Agent method 1 here: http://support.microsoft.com/kb/943144
  3 run the difficulty of method 2 here: http://support.microsoft.com/kb/943144
  4 run the difficulty from here: http://support.microsoft.com/kb/971058
  5 reset
  6 try Windows Update
  7 if it does not, repeat steps 1-6 before using your preferred method of destruction of the computer.

  I have a completely fresh installation. I reformatted yesterday installed the operating system, which comes with 3 SP.

  I used the Dell site to get the rest of my drivers and then began the process of trying to update. Immediately, I got the error above.

  According to that link above, 'FinnGange @ & anyone else having a similar problem: to avoid confusion, please start your own, new thread on YOUR specific problem and your computer. " Indicate your current version of IE, and the full version of Windows.

  So, here is my new thread! :)

  I am running XP Pro 2002 SP3 and IE8

  Please help me with this problem.

  Thank you

  Kris

  2 Run Installer Windows Update Agent method 1 here: http://support.microsoft.com/kb/943144

  If you go to that page and made scroll to Method1, you will see there are three installers. Which did you use?

  Also, what is the make, model and model number of your PC? Is your Windows XP 32-bit or 64-bit?

  Did reboot you after you run the Update Agent Installer?

  Dump you all your IE8 temporary Internet files and cookies?

• I had to reinstall Windows Xp Pro, the product key will not work.

  I have not changed any hardware or anything like that. I downloaded the updates of msupdates and my computer went the fritz would not do anything. I reinstalled windows xp pro from the restore disc that came with my computer. The product key is not accepted by windows to activate it. I need to know what to do. It's a Dell optiplex 2.8 gig Board and proc 2 gig of ram. Anyway when I bought.

  Hi, I am assuming that you are unable to activate your XP via internet, you can try the phone holder to turn on.

  You will be asked of the remote computer to give the support page for phone numbers.

  You will then receive a new set of numbers to activate your XP.

  If this does not work, you will be directed to a Microsoft employee. Explain your problem and if they are happy with your answer will give you an activation key.

  Slan go Foill, Paul

• Freshly reinstalled Windows 7 Pro will not activate

  I have a Dell Optiplex 780, which has a Windows 7 Pro OEM sticker on it.  For some reason the previous TECHNOLOGY provider decided to install Windows XP on this machine and I am trying to fix this error.

  Unfortunately, while the installation program gladly accepts the key of the sticker, activation failed.  Œuvres of activation, phone, or internet.

  I tried to use the Dell SLP key as well, obviously no chance.

  Dell offers more OEM media for this machine as far as I can find, and I don't want the OEM media still because it is full of additional bloatware, that no sane person would want.

  How can I install the OS that computer was purchased with the help of the legitimate license attached to the machine key?

  I've never had problems with this in the past, other OEM machines worked fine with the same installation media using the keys of their COST.  The phone activation is usually required, but worked at the difference this time.

  When you attempt to activate phone talk to a tech representative, if not try the phone activation once again as follows:

  How to activate Windows 7 or Vista manually (activate by phone)
  http://support.Microsoft.com/kb/950929/en-us

  1) click Start and in the search for box type: slui.exe 4
  (2) press the ENTER"" key.
  (3) to select your "country" you are in the drop-down list.
  (4) choose the option "activate phone".
  (5) stay on the phone * do not select/press any option * and wait for a person to help you.
  (6) explain your problem clearly to the support person.
  (7) the person must give you a confirmation ID, copy it down on paper,
  (8) check that the ID is correct in reading the support person.
  (9) to enter the ID number, then click 'Next' to complete the activation process.

  Activation and registration of a Microsoft product

  http://support.Microsoft.com/?kbid=326851

  Windows activation: (888) 571-2048
  (888) 725-1047 or 800-936-5700

  What's the relationship between activation and genuine Windows?
  http://Windows.Microsoft.com/en-in/Windows7/what-s-the-relationship-between-activation-and-genuine-Windows

  What is the validation, and how does it work?
  Windows 7: http://windows.microsoft.com/en-us/windows/help/genuine/what-is-validation?os=win7
  Vista: http://windows.microsoft.com/en-us/windows/help/genuine/what-is-validation?os=winvista

  Authentic Microsoft software program privacy statement
  What data is collected?
  http://Windows.Microsoft.com/en-us/Windows/genuine/privacy-statement

  -Product key of letters and numbers-

  Not confused the letter B with the number 8, the letter Q with the letter O.
  the letter G and the number 6.

  A, E, I, O and u are not used.

  ----------------------------  Alternatives -------------------------------------

  To enable the use of the phone

  1. open Activation of Windows by clicking on the Start button, right click on computer, clicking Properties.
  then by clicking on activate Windows now. ?

  2. click on show me other ways to activate.

  3 type your Windows 7 product key, and then click Next.

  4. click on use the automated telephone and then click Next.
  If you are prompted for an administrator password or a confirmation, type the password or provide confirmation.

  5. click on the location nearest you from the drop-down list, and then click Next.

  6. call one of the available phone numbers listed. An automated system will guide you through the activation process.

  7. When prompted, enter the installation ID that is listed on your screen in your phone keypad.

  8 Note the confirmation ID the phone system gives you.

  9. under the terms of step 3, type the confirmation ID in the space provided, click Next, and then follow the instructions.

  10. If the activation is not successful, stay on the line to be transferred to a product activation agent who can help you.

  How to contact a Microsoft Product Activation Center by phone
  http://support.Microsoft.com/kb/950929

  Activation and registration of a Microsoft product
  http://support.Microsoft.com/?kbid=326851
  Windows activation: (888) 571-2048
  (888) 725-1047 or 800-936-5700

  Microsoft Activation centers worldwide telephone numbers:
  http://www.Microsoft.com/licensing/existing-customers/activation-centers.aspx
  (This site is for activating Volume License, but if you call, they will help you)

  The phone number is not working:
  Microsoft Worldwide contacts: http://www.microsoft.com/worldwide/default.aspx

  Register Windows 7
  http://Windows.Microsoft.com/en-us/Windows7/help/register
  Register Windows 7 and you automatically receive a series of three welcome to Windows e-mails
  filled with tips, creative tips and other information to you help get the most out of Windows 7.
  You also get a subscription to the monthly newsletter of Windows Explorer,
  where you will find other tips and tricks, as well as special offers.

  Learn about Activation:
  http://TechNet.Microsoft.com/en-us/library/ff793423.aspx

  J W Stuart: http://www.pagestart.com

• reinstalled Windows XP Pro on the new HARD disk, not invited to key code

  My Dimension 9200 needed a new HARD drive. Ordered from Dell, installed HD then re-installed Windows XP Pro sp2. I forgot to unplug the media reader, so I had to reinstall it again to get HARD drive letter assignment as C. Added drivers in good condition and just download and install sp3 and all the necessary updates. Now, all that remains is to transfer all the files from the old HD.

  Never, I was invited to the WinXP key code. I DO have the Dell OEM disc as well as the installation key code in the original Dell factory. I was wondering if anyone else had the same "problem". I checked under administrative tools and don't see anything that ask you "activation". The only thing that I went off and was invited to provide was the key code when I installed MS Office 2003. When I check in system properties, General, it shows that it is registered to me and some numbers with Dell OEM then more numbers, not the OS key code well.

  Anyone can shed some light on this? Thank you

  When you use a Dell OEM media on a Dell computer, it checks the BIOS to make sure that it is install on a Dell computer, then it will be activated automatically, using a generic OEM key.  As long as you have the sticker COST/License/Product Key, you have the right to run Windows on this computer.  That's pretty standard for OEM systems.

  System properties still shows a 'code', not the actual key.  You can use Magic Jelly Bean to retrieve the key used to activate Windows, but the key, that he will return does not match your COA and cannot be used for manual activation.

• Computer Dell laptop does not start with error: 0xc000021a in windows 8 pro with media center...

  I have dell laptop computer (windows 8 pro with little Media Center x 64) ##genune, not cracked or pirated... #.

  It worked fine until the evening yesteday and I was playing Holy 4th place after closing, I noticed that the battery is about to happen at 10% so I did it just to sleep for awhile cauz I haven't had none running around the House... shortly after came current I just picked up my cell phone, but suddenly I saw an error message indicating that "your laptop computer encountered a problem and needs to restart. We are only collecting the error information, and then we'll restart for you. (100 % Complete) If you want to know more, you can search online for this error: 0xc000021a "and there is no changing the screen as I waited for 3 hours now... I never had an error like this... pls hlp me...

  Hello

  Are which country you located?

  Dell has wide global support. I suggest you to select the country where you are and check if you can get the recovery DVDs.
  http://www.Dell.com/support/contents/us/en/19/category/contact-information

• Teredo tunneling pseudo interface of windows 8 pro driver works do not error code (code 10).

  Please answer as soon as possible... That's what it shows... code (10)... I tried to update the driver... It shows that it is the best driver available and installed in my camera...

  OT: teredo tunneling pseudo interface driver Windows 8 pro does not not work... Please help (code 10)... I tried to update shows it is updated and the best driver is installed on my laptop

  Hi Shilratna,

  The Code 10 error code is generated when the Device Manager has not enough information or error that spread upwards by device drivers is not recognized by Device Manager. In addition, this error may occur if one of the pilots who needs the unit does not start. If multiple drivers are used by a particular device, it can be difficult to determine which failed.

  I suggest you try the steps from the following link:

  FIX: "this device cannot start" error Code 10 in the Device Manager in Windows
  http://support.Microsoft.com/kb/943104/en-us

  I hope this helps. Let us know if you have other problems with Windows in the future.

• Lightomm detected vista and does not want to reinstall so I have windows 7 pro

  Hello

  My Lightrrom wants more educational, it shows me a window:

  "this action cannot be completed because the other program is busy. "Choose Your Language participated to pour activate the busy program and correct the problem.

  Could not switch to other chosen... when I arrive has close Lightrrom window is unresponsive and crashes.

  I uninstalled the decompression program I'd just install (little Finder I think, well that would be the cause...), rebooted and rebooted again and again... always the same... I removed my Norton and the of to set up... even restarted Avast... But still the same...

  I tried to reinstall Lightroom, but it detects a Windows vista and gives me a "not met minimum configuration of the operating system" while I am running Windows 7 pro 64-bit

  I can't remember what to do...

  Thank you for your help

  Rabia

  Is your Windows 64-bit?

  Try changing the compatibility mode of Windows 7 configuration file and run the installer again.

  -Right click on the Installer file and select Properties option

  -Then click on the Compatibility tab

  -Put the Windows 7 operating system and rerun

• Dual Boot with windows XP Pro with 2 HARD drive, error on secondary windows install: "Windows did not start because of a configuration of the disk of the computer problem. Could not read the selected boot disk. Check boot path and disk hardware... »

  Hi, I recently bought a new Hitachi 1 TB internal hard drive. I wanted to do a clean install on the new drive (d), be able to dual boot my computer and leave my old 300 GB disk (C :) as the primary windows installation. After physically installing the new HARD drive, I noticed that "new hardware found" and the the brand name flashed in the bottom right corner. I thought I'd see the new hard drive in my computer, but I did not. I initialized the new HARD drive with the computer management window (right click on my computer - manage) and I also formatted in NTFS (I had to change my printer hard drive letter to assign the new HARD drive with the letter D, but I've made other changes after this step). Now, I could see and use in my main windows on the C: installation. I then installed a windows new copy XP pro with the installation CD I got for my C: but on the D: (Note: I have a Dell computer (and the Dell reinstallation CD) and my current version of windows has SP3 while the installation CD is only SP2) (I also reformatted my HARD drive during the installation of windows to NTFS)

  Now when I try to start on installing the new on my D: I get "Windows did not start because of a configuration of the disk of the computer problem. Could not read the selected boot disk. Check startup disk and hardware access path. "and another line saying to refer to manuals HARD drive and windows.

  My Boot.ini file at this time was:

  [boot loader]
  Timeout = 5
  default = multi (0) disk (0) rdisk (0) partition (2) \WINDOWS
  [operating systems]
  "multi (0) disk (0) rdisk (0) partition (2) \WINDOWS="Microsoft Windows XP Professional "/ noexecute = optin/fastdetect
  "signature (ac516a5c) disk (0) rdisk (0) partition (1) \WINDOWS="Microsoft Windows XP Professional own "/ noexecute = optin/fastdetect

  I looked towards the top of this help page, but for now I'm unlucky:

  http://support.Microsoft.com/kb/314477

  (The next steps I took by throwing from the Windows CD and go into the repair console)

  I tried to use the bootcfg /rebuild but the line to boot.ini for my secondary HARD drive still does not work.

  He gave me something like:

  [boot loader]
  Timeout = 5
  default = multi (0) disk (0) rdisk (0) partition (2) \WINDOWS
  [operating systems]
  "multi (0) disk (0) rdisk (0) partition (2) \WINDOWS="Microsoft Windows XP Professional "/ noexecute = optin/fastdetect
  "signature (ac516a5c) disk (0) rdisk (1) partition (1) \WINDOWS="Microsoft Windows XP Professional own "/ noexecute = optin/fastdetect

  I also tried to change the signature() to multi (0), but it did not work. (or try almost all possible permutations of disk() and rdisk() partition() 0 to 2).

  I also tried to use expand F(dvd-drive):\i386\ntkrnlmp(I_have_a_duo-core).ex_ D:\windows\system32\ntoskrnl.exe and a few other combinations, but I when I login as D:\windows simply, it fails to extend with a message like "could not develop" or C:\windows I get "restricted access".

  I have not yet tried CHKDSK/r, but since I did a clean install on a newly formatted drive... I don't think it would work.

  I've also marked the partition on the D: as active (in computer management), but it did not help me.

  I've done a first installation of windows repair, strangely, I couldn't fix this one... Still does not work...

  My default windows installation yet works very well & I see that windows has been installed on the D: but I'm ideas from how to operate the dual-boot, can someone throw me a BONE on what to do?

  Maybe try to do something with the Boot Manager (whatever it is?) Create a new partition and use it as a boot manager? I don't really want to do this, because if I made a mistake I will be unable to use my computer and dual boot should work without going through all this trouble... But I found this page: http://technet.microsoft.com/fr-fr/library/ee829686%28WS.10%29.aspx

  Could a clean install two HDD help? I hope I won't have to do...

  Someone has an idea?

  PS: I'm not such an advanced user so I need a solution step by step, thanks!

  Edit: I also noted that I can't see my new HARD drive in my BIOS... weird... SATA-0 is my old drive HARD 1 and 2 are my dvd 3-5 readers are 'off' and it doesn't seem to be anything that it is plugged in. I also have 4 bays for internal HARD disks. Now, 2 are busy.

  Edit2: I looked inside my case and enabled the good Sata in the Bios after a reboot it detected the drive correctly. Dual boot doesn't always work well... The fact that it was disable in the BIOS while I was installing the new HARD drive could change anything? Hmm...

  In case I wasn't clear enough: I had a windows XP Pro installed on my C:, bought a new hard drive and installed the same copy of windows on it (d). I think that should allow me to double boot between the two installs different. Even if for some reason I can't boot from one on my D:. Andrew, I do not understand why you so far physically disconnect the other drive, the point of the whole operation is to build a boot.ini file so that the BIOS knows that it y facilities 2 windows and you allow to choose (and not have conflicting problems between the 2 systems), someone correct me if I'm wrong? "Expand" the part of my first post made reference to one of the solutions provided by Microsoft in the first link that I have included in my previous post (but I can't seem to work).

  In addition, it is the procedure that I followed: http://www.ehow.com/how_5950826_boot-two-different-hard-drives.html

  (except I've had the first installation already done).

  Andrew "also, once a new hd is plugged on the pc & running, most of the BIOS will place (them) as 1st priority hd, set the BIOS to do this", you mean that by installing separately from windows on each unit when the other is not plugged in, I could choose what disk to start from defining their priority in the BIOS once they are all plugged back? It's too tedious (as I intend to move frequently between the 2 installs) and requires a computer to other users of the lack of computer knowledge. Unfortunately, it is not a viable option.

  EDIT: I DID IT! Hmmm... Well, I double checked in the recovery console, the path of the new HARD drive with the arc command Scan. Tried to start again with the MULTI (0) in my boot.ini and it worked... I also had my windows install CD in. Maybe that is why I could not start, windows needs the CD to complete the installation? Weird, I don't know what I did to the difficulty it... but hey, it works! Thanks for your ideas guys!