windows\system32\optional.exe is not found

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• When I try to open the Control Panel, add or remove programs, a window appears saying "C:Windows\system32\rundll32.exe Application not found.

  Original title: rundll.exe error

  I checked the previous messages and can't seem to find a solution to this problem.  Recently I ran 3 different scans, i.e. sbybot, avast and Malawarebytes virus. After that I ran these anti-virus programs and remove viruses, I was not able to open any more virus scanners. Every time I tried, would open a window saying "Choose the program you want to use to open this file." If I try to download a new virus scanner, it says the same thing.

  When I try to open the Control Panel, add or remove programs, a window appears saying "C:Windows\system32\rundll32.exe Application not found. I checked this file on my c: drive\system 32 and see the rundll.exe file. I also copy and pasted the file rundll.exe my CD of Windows XP in c: Windows\System32

  Everything else seems to work fine on my computer, and I get no message on the rundll.exe file when the computer starts up first.

  Any help would be popular!

  Hello

  You rename regedit.exe regedit.com?

  Remove from my computer-> tools-> file-> option-> view tickmark for "Hide extension for known file types"-> ok-online local disk now C:\WINDOWS\

  Regedit.exe search

  Make a right-click Rename regedit.com

  From start-> Run Type & -> regedit.com-> ok.

  and follow the registry path IE: HKEY_LOCAL_MACHINE\Software\Classes\Exefile\Shell\Open\Command

  I hope this helps.

• C:\Windows\system32\CNUpdater.exe was not found.

  When I start the PC, it says there's an update available, but I get this error "C:\Windows\system32\CNUpdater.exe was not found." when I try to do the update. Can you help me with this? Thank you!

  But this isn't an update of Windows. See http://social.answers.microsoft.com/Forums/en-US/w7repair/thread/f1c4b380-679d-466e-908d-bfa9684c6133 ~ Robear Dyer (PA Bear) ~ MS MVP (that is to say, mail, security, Windows & Update Services) since 2002 ~ WARNING: MS MVPs represent or work for Microsoft

• C:\Windows\system32\regsvr32.exe is not found

  When I try to load the softwear I get this message - C:\windows\system32\regsvr32.exe is not found

  Hey,.

  Read this article:
  http://support.Microsoft.com/kb/q249873

• C:Windows/system32/rundll32.exe - Application not found - OK__I get this error message when you try to open a program

  Error messages occur now - seem to appear now, after I did a Defrag.  If I try to open AOL, it brings me to a display list who wants to choose from a list of programs.  For AOL, I click on AOL.  I didn't used to have to select from a list of display.  Then I tried to open an Astrology program and it took me to the same list, which of course is not.  Now, I get the same error as follows: C:Windows/system32/rundll32.exe - Application not found - OK

  Here's a Plan:

  Goto, start system restore restore Menu\All Programs\Accessories\System Tools\System

  Now select the oldest Restore Point and restore your computer, but first make sure that you have an external drive.

  After that C:\Windows\System32\Rundll32.exe copy the external drive and the disc is ejected

  Open the system restore and undo restore

  After the undo operation is copy the Rundll32.exe in the road to C:\Windows\System32

  and the problem solved

  Note: the rundll32.exe should be missed recently and you should have an old Restore Point which contains a file Rundll32.exe Intact

• error message: "WINDOWS\system32\rundll.exe is not found."

  WINDOWS\system32\rundll.exe cannot be found please check the root etc... etc... I've tried everything here.  How do I just uninstall WINDOWS and then reinstall it? I tried ALL of the suggestions I found here.  It is not in my Cache file, either this one's empty! Please help me.

  Click Start > run > type or paste c:\windows\servicepackfiles\i386 > Ok. Now, look in the folder for the file i386. If you cannot find the download from HERE and place it in c:\windows\system32.

• c:\WINDOWS\system32\rundl32.exe application not found

  As a result of a virus attack and a remedy I can no longer use any windows application or whatever it is open in adobe so that I'm trying to solve the problem.  Simple suggestions (Cos I can't do simple things!)

  Launch of Doug Knox fix .exe (which isn't a .exe so you can run it) and then create an in-depth analysis for malware as described in the link below. If you were already that in-depth, including the preparatory work, you can ignore this, but if you were not you should do the extra work.

  http://www.dougknox.com/XP/file_assoc.htm

  http://www.elephantboycomputers.com/page2.html#Removing_Malware

  MS - MVP - Elephant Boy computers - don't panic!

• Error box that says: C:\Windows\system32\winver.exe application not found

  I have problems to run many of my programs. I recently had my laptop worked on and now can't open itunes for example.  I tried to uninstall and install the program, but it still will not work. My firefox opens not either. It says that it cannot open this type of file, because it is unable to recognize. Please let me know what to do. I'll try to install updates for Windows Vista to see if it would help. Thank you for your help, Shana

  Svoss490,

  Take a look at this article which explains how to use the System File Checker that will replace the missing system files:

  http://support.Microsoft.com/kb/929833

  Hope that helps!

  Cody C
  Microsoft Answers Support Engineer
  Visit our Microsoft answers feedback Forum and let us know what you think.

• C\windows\system32\rundll32.exe application not found

  whenever I try to open an app in the Control Panel, the above message appears.can someone offer advice on how to fiz this because I know very little about these amazing machines. Thank you.

  Hi tonypartners,.

  This problem occurs because of a missing or corrupted Rundll32.exe file. This problem can also be caused by a virus.

  Method 1: Follow the steps mentioned in the article below

  Cannot find the Rundll32.exe file when you open Control Panel

  http://support.Microsoft.com/kb/812340

  If the problem persists,

  Method 2: A scanner online for any threat and try to correct

  http://OneCare.live.com/site/en-us/Center/cleanup.htm

  Thank you, and in what concerns:

  Ajay K

  Microsoft Answers Support Engineer
  ---------------------------------------------------------------------------------------------------------
  Visit our Microsoft answers feedback Forum and let us know what you think.

• Error - EPPkt.sys and c:\windows\system32\drivers\afw.sys not found and fix crashes in Windows XP Pro computer.

  Original title: during repair XP Pro from the disk installation, everything crashes.

  I am writing this plea on my desktop, pc Win 7 it. The pc is older and elsewhere in the House.

  Due to the white/white space in Add/Remove Programs, after checking the extent of possible for viruses, corruption Reg, etc., the advice of consensus was to reinstall the Windows, using the disc (this XP Pro was on the HARD drive when I got the pc - new to 2009 - and I did the back-up recommended/controlled , and that's what I was doing Rcounter Set up, around 1700 BST.

  Everything seemed to go OK, but black screen of Windows is now the small hourglass circulating and 'Please wait '.  The HARD drive is flickering, but it's been more than 3 hours!

  My second pc was rotten, and I had to reinstall or repair XP Home [disk] a few times. It is only 35 GB, compared to more than 100 on the pc in question - but I've never met before delay.

  Installation messages were as follows:

  EPPkt.sys and c:\windows\system32\drivers\afw.sys not found.  I checked this point, and it should not have caused any problems. It has also sought a labeled disc 'Machine Virtual Network Services', which no doubt, since I did not, was never necessary.

  I'll leave it on - but...

  Help, please!

  Well, I had to bow to the inevitable. Please accept this response as a ' I've been there - it could happen to you. "

  I spoke to BT [they provide my broadband] and the helpful guy asked me to look at the installation and reinstall in a different place. It's OK, but [, BUT] some of the drivers have been zapped in eternity. PCI, sounds, videos. The guy thought BT that these had been modified or replaced since the beginning, whereas they were not available. The XP Prof is on the pc when I got it, but I assumed that the pilots were on the backup disk, I did. No, they were not. And how to go online to search for them if we could not put in place the ethernet connection?
  So, I bought Win - 7 it 32-bit full ed. [be too afraid to try an upgrade].

  It could have been a response in the migration of these from other drivers, but I guess it was time to go.

  As I can't afford to buy new COREL, MS Word, etc, I have installed free VMWare player as a host for my older progs in a virtual environment.

  Another thing came out of this: although what remained of XP has been saved by 7 as WINDOWS.old, I am very happy that I had a HDD eternal with ntfs to preserve my files and installable 3rd party progs.

  I hope this might help someone - thanks for the info.

• c:\windows\system32\cmd.exe is not a valid Win32 application

  "c:\windows\system32\cmd.exe is not a valid Win32 application" How can I fix this and what it means?

  Stephen

  Take a look at the various reasons and solutions here http://en.kioskea.net/faq/1591-exe-is-not-a-valid-win32-application

• Download the c;/windows/system32/systempropertiesadvanced.exe message. application not found?

  Original title: How to fix a registry problem?

  Hello world

  tried to restore the laptop to previous day, but get the message c;/windows/system32/systempropertiesadvanced.exe. application not found?

  Hello
  Thanks for the recommendation, I managed to solve the problem by establishing a new account, they allowing me access to the program of restoration, so I restored to last week which got rid of the offending virouse.

• The desktop icons do not work, error associated with: c:\windows\system32\rundll32.exe

  original title: c:\windows\system32\rundll32.exe problem

  my desktop icon does not... "If I try to open any application a messege always apper" open with "a list of program... when I try to open the Control Panel control panel open, but when I try to open Add / Remove program error appear c:\windows\system32\rundll32.exe application not found. and now is the worst new appers message "this file has no program associated with it for performing this action. create an association in the folder options panel"Please I need help, nothing works on my laptop is xp :-(

  Hi kipepeoliciousslemani,
   
  This problem occurs because of a missing or corrupted Rundll32.exe file. This problem can also be caused by a virus.
   
  Follow the steps listed in the article for this problem:
   
  Cannot find the Rundll32.exe file when you open Control Panel

• When you try to open any application in XP, get message 'open with' and error about c:\windows\system32\rundll32.exe

  my desktop icon is now working... "If I try to open any application a messege always apper" open with "a list of program... when I try to open the Control Panel control panel open, but when I try to open Add / Remove program error appear c:\windows\system32\rundll32.exe application not found. today a new appers message "this file has no program associated with it for performing this action. create an association in the folder options panel"Please help me

  Hi kipepeoliciousslemani,

  1. did you of recent changes on the computer?

  2 when was the last time it was working fine?

  3. it happens with all programs you are trying to open?

  Method 1

  See the Microsoft article below and run the fixit tool available (good for Windows XP so shims), check if it helps.

  When you run an .exe on a Windows Vista-based or Windows 7 computer file, the file may start another program

  http://support.Microsoft.com/kb/950505

  Method 2

  If the previous step fails, then analyze and remove any malware or computer virus infections and check.

  The scan below only works on the 32-bit version of Windows

  http://OneCare.live.com/site/en-us/default.htm

   

  You can use the Microsoft security essentials to scan your computer

  http://www.Microsoft.com/security_essentials/

• Cannot run most of the programs in Control Panel because it says that I don't have \WINDOWS\system32\rundll.exe'. on my hard drive

  I recently installed sp3 on my computor he had sp2 now when I access panel, I can't run any programs like display or add or remove programs or internet con. I tried the system restore but it will not go forward or backward I always got the error this file \WIndows\system32\rundll32.exe'. is not on the hard drive that I can reistall sp 2 with sp3 hope somone can help thanks lindell wood

  If you have installed SP3 and now the file is missing, the opinion of the Support Engineer Microsoft won't help you unless you have a genuine XP installation CD also is Service Pack 3.

  That's extremely unlikely, unless you did it yourself and some people have never seen a real installation of XP bootable CD in their life then, how is this will help...  But, this is a link to a Microsoft KB article.

  When you try to open a control panel applet, you see a message like this:

  Control Panel
  Windows cannot find 'C:\WINDOWS\system32\rundll32.exe '.  Make sure you typed the name correctly and then try again.  To search for a file, click the Start button, and then click search.

  If the file is actually missing, it was probably quarantined (actually deleted) programmatically your antivirus or anti-malware not specified that you use.

  You might want to reconsider anything not stated antivirus or antimalware you programs use and whether or not they are effective to protect your system.

  You can look in the c:\windows\system32 folder and see if the file is actually missing or not, but you should replace it somehow.

  I downloaded a copy of XP Pro SP3 file you need on my SkyDrive (everyone has a SkyDrive for file sharing).

  You can download it and when you do, place a copy of the file in these two folders (assuming that Windows is installed on your C drive):

  c:\Windows\System32
  c:\Windows\System32\dllcache (this is where XP keeps backups of important files).

  Here is the link to my SkyDrive and you can get the file you need here:
  http://CID-6a7e789cab1d6f39.SkyDrive.live.com/redir.aspx?RESID=6A7E789CAB1D6F39! 311

  When you see the files available for download, you can not see the file extension (.exe, .dll, .cpl, .sys, .zip, etc.), but when download you them they will have the right extension.

  When you download the file (especially if you use Internet Explorer), when you get a chance to save the file, your browser is unable to save the file with an extension (by example, .exe, .dll, .cpl, .sys, .zip, etc) then you will need to manually add the extension appropriate to the file when you download the file before you save it.

  You can download the file without the extension, and then rename the file to add the appropriate extension.  You do not want to use a file called rundll32 when the name of the file should really be called rundll32.exe (if the downloaded file has no extension, you will need to change the name of the file to add the appropriate extension to make it work.

  You then put the downloaded files in the correct folders on your system.

  That may not solve all your problems, but at least you will be spending this part and we can then fix the rest.