Impossible to install KB2686827 and KB2656368, keeps telling me that Windows Update encountered an unknown error. Code 641

Similar Questions

• Important updates for Vista SP2 Security Installation failure: update MSXML 4.0 SP2 (KB927978) AND (KB954430) security, citing error Code 652, Windows Update encountered an unknown error!

  Has no significant updates for VISTA SP2 security installation: MSXML 4.0 SP2 (KB927978) security AND (KB954430), citing error Code 652, Windows Update encountered an unknown error! How is it Windows Update does not recognize it's own mistakes? I tried several times to install both of these important updates without success. Please help me so that I can install these two updates & get back on the right track. Thank you!

  See the section "How to get help", for example, http://support.microsoft.com/kb/927978

  Visit the Microsoft Solution Center and antivirus security for resources and tools to keep your PC safe and healthy. If you have problems with the installation of the update itself, visit the Microsoft Update Support for resources and tools to keep your PC updated with the latest updates.

  For enterprise customers, support for security updates is available through your usual support contacts.

  ~ 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

• Windows Update: failed. __Code 643 windows Update encountered an unknown error. _ * AND * __I cannot repair Windows 7 with the disc either. My guess is: these issues are related...? __

  I have THREE questions which PEUVENT all be linked togther... What do you think?

  [I am slot as Windows 7 Ultimate (free upgrade to Dell PC w/purchase) on a Dell 64 bit PC XPS435]
  I've upgraded from Vista about 3 weeks ago.

  #1 - Two weeks ago I had a problem with the installation of Nero/LiquidTV-TiVo to my PC... (this is also when the problem started).
  To get the "Nero" thing figured out, I took the advice of someone on the Forum/Blog of Nero. The person has provided a lenghty explanation how to uninstall LiquidTV completely by removing the registry files... I don't really know what I'm doing in the registry, but everything that I helped my problem of Nero, but I couldn't tell you WHAT I deleted OR if I have deleted any bad subfolders or whatnot!... the next time I started my PC is when the NEW NUMBER is right.

  #2 - On my next BOOT, Windows Update has found an IMPORTANT update:

  A security update for Microsoft XML Core Services 4.0 Service Pack 2 for x 64 systems (KB954430)

  .. .and it fails every time, it tries to install saying this:

  Windows Update - failed

  Code 643 Windows Update encountered an unknown error.

  "Get help with this error" provides little or no help... but it says this:
   "WindowsUpdate_00000643" "WindowsUpdate_dt000"
  
  All the research I did, the problem seems to be with Microsoft .NET Framework... .and all the solutions I found talking about it, "UNINSTALL all THE .NET FRAMEWORK & REINSTALL" ... I tried and there is no .NET Frameworks listed in Add/Remove, and when I press on ' VIEW INSTALLED UPDATES'... " on my PC it says, "no updates are installed on this computer"... what the _____?

  #3 - Today, I thought I would just pop the WINDOWS 7 installation disc and do a repair/upgrade... It will not be upgraded.
  He cycles most of the way through, then he Has STOPPED and says this:

  The following problems prevent upgrade Windows. Cancel the upgrade, perform each task, (it lists only a SINGLE task), and then restart the upgrade to continue.

  • Windows needs to be restarted if necessary to system files can be changed before you continue.

    Does not help restart. He tried 3 times and he ends up doing the same thing.
    Is it possible I deleted something out of the register so far here and which is cause of all this?
    If so, is it possible to fix WITHOUT doing a new install of Windows 7?
    OR... anything can be a problem... Please HELP!

    (And please note: I am a first year student college with specialization in computer science... but I just started last semester, so I don't know what I should... yet. - though, I SHOULD have known better than to mess with the registry!) My bad).

    Thanks a lot for your time in advance, and I look forward to hear from you!  VikeMike4
    

  Erwan,
  You must read this entire thread and the State, if you have tried the steps listed here or that you tried to fix the problem.  Take a look at this article, because it has a solution for 643 errors: KB971187
  Mike - Engineer Support Microsoft Answers
  Visit our Microsoft answers feedback Forum and let us know what you think.

• While trying to install windows updates, I get an error 57F Code - Windows Update encountered an unknown error.

  For months, that I tried to install windows updates and continually get 57F error Code - Windows Update encountered an unknown error.  I'm now 9 updates important and 2 Optional updates that have failed to be updated.  I am running Windows Vista Home Premium. Help, please!

  Office 2007 are in guess some updates.

  1. ensure that you are logoned on with an administrator account and that the computer can access the Internet properly.

  2 - Insert the Office 2007 CD drive of the computer installation CD, then check if updates Office can be installed.

  Did you use a registry cleaner?

  TaurArian [MVP] 2005-2010 - Update Services

• I can't install the updates of Windows on Vista. Error code is that 80246008-Windows Update encountered an unknown error.

  I can't install the updates of Windows on Vista. Error code is that 80246008-Windows Update encountered an unknown error.  Help had two suggestions being to check to see if the Background Intelligent Transfer Service is running, and I don't have the service installed, it is the problem.  What should I do?

  Hi Nita,

  Thanks for posting your question in the Microsoft Community forums.

  The description of the problem, I see that you are unable to install Windows Update and receive the error code 80246008. I also see that the PIECES is not in services.

  I imagine the inconvenience that you are experiencing. We are here to help and guide you in the right direction.

  The 80246008 error code may occur if the (BITS) Background Intelligent Transfer Service is not started or is configured incorrectly.

  I suggest you try the procedure described in the article and see if it helps.

  Error message when you search for available updates on the Windows Update Web site or on the Microsoft Update Web site: "0 x 80246008.
  http://support.Microsoft.com/kb/956706

  Let us know the status of the issue after you perform the troubleshooting steps. If you need to get assistance or information about this problem with Windows Update, I'll be happy to help you. We, at tender Microsoft to excellence.

• Hi I am trying to install updates, and they will not install an error found Code 643 Windows Update encountered an unknown error

  Help

  Tracey,

  http://support.Microsoft.com/kb/555375

  You can watch the following article to see if this will help with the error 643.

  http://Windows.Microsoft.com/en-us/Windows-Vista/Windows-Update-error-80070643 

  http://support.Microsoft.com/kb/946414

  During the installation of .net Framework updates with Windows update or Microsoft Update you may receive error 80070643 0 x or 0 x 643
  http://support.Microsoft.com/kb/976982>

  If no joy, of the article in the Knowledge Base for ALL the .NET security updates:

  "How to get help and support for this security update

  For home, users visit Microsoft Solution Center and antivirus security for resources and tools to keep your PC safe and healthy.  If you have problems with the installation of the update itself, visit the Microsoft Update Support for resources and tools to keep your PC updated with the latest updates.

  For enterprise customers, support for security updates is available through your usual support contacts. "

  Let us know if this helped.

• I get a code 80073712 (windows update encountered an unknown error) and doesn't install KB2518866. Why?

  I get this error for some time and would like to get it resolved.

  http://Windows.Microsoft.com/en-us/Windows-Vista/Windows-Update-error-80073712

  Try the procedure described in the article above.

• Windows Update always in error Code 8024402F Windows Update encountered an unknown error even after freshly installed (Win7Premium)

  Shooting of the firewall for updates isn't fixining problem!

  Did you buy Win7 Home Premium Upgrade edition or Win7 Home Premium Full edition?

  1. Uninstall Iobit 360 & any other software Iobit and reboot.

  2 uninstall AVG Free 9.0 and restart again.

  3 do a fresh install of AVG Free 9.0, this time select the CUSTOM installation option and do NOT install (uncheck) Linkscanner Search-Shield, Active Surf-Shield, security or the email of crawl components toolbar.

  Why you don't need your anti-virus to scan your email
       http://thundercloud.NET/infoave/tutorials/email-scanning/index.htm

  4. make sure you have a firewall enabled at all times. If you have not installed a third-party firewall, use Windows Firewall (which originally is not your problem, at least not on its own).

  ~ 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

• Codes 646 and 643: Windows Update encountered an unknown error

  Basically, my computer is unable to be updated almost everything he says to.

  KB951550
  KB977839
  KB956358
  KB951944
  KB959997
  KB951338
  KB967642
  2007 Microsoft Office Suite Service Pack 1 (SP1)
  KB950130
  KB934393
  KB960003
  Microsoft .NET Framework 1.1 Service Pack 1
  KB936514
  KB956828

  I tried so much, I don't even remember most of them! I looked through similar issues and I have tried suggestions, such as manually install updates and to use Microsoft Fix - it, but nothing seems to work! Help, please!

  Hello

  Try to disable UAC and then make below. Let the NetFrameWork to the end because they may require other steps.

  Panel configuration-Classic view - user accounts - turn User Account Control Off

  How to turn User Account Control (UAC) on or off in Vista
  http://www.Vistax64.com/tutorials/48893-user-account-control-UAC.html

  THIS UTILITY MAKES IT EASY TO

  http://www.tweak-UAC.com/
  Tweak UAC utility - easily put UAC into Silent Mode or POWER

  Try this 1st to see if it helps, and it should:

  Description of the Patch registration cleanup tool
  http://support.Microsoft.com/kb/976220/

  ------------------------------------------------------

  If necessary :

  Try this - Panel - Windows Updates - on every update that will not be installed - click on the important updates
  or the update itself - double click a view more information (or click top then discovers on the right)

  Those who will take you to a page where you can download the update.

  Or go here and the KBxxxxxx number to download it.

  Download Center - mount the KBxxxxxx.

  Microsoft Download Center
  http://www.Microsoft.com/downloads/en/default.aspx

  Download - SAVE - go to where you put them - click on - RUN AS ADMIN

  Then you can right click on the update in the updates Windows and HIDE.

  If you get an error Installer install this version:

  Windows install 4.5 Redistributable
  http://www.Microsoft.com/downloads/details.aspx?FamilyId=5A58B56F-60B6-4412-95B9-54D056D6F9F4&displaylang=en

  ----------------------------------------------------

  Then run this:

  How to reset the Windows Update components? -a Mr Fixit
  http://support.Microsoft.com/kb/971058

  Description of the system for Windows Vista, Windows Server 2008, update tool and
  for Windows 7
  http://support.Microsoft.com/kb/947821

  ------------------------------------------------------------
  Because these are all Office updates you might get more information if necessary in the Agency of those groups that
  may have experienced the same problem.

  Office newsgroups
  http://www.Microsoft.com/Office/Community/en-us/FlyoutOverview.mspx

  Microsoft.public.office.misc discussions
  http://www.Microsoft.com/communities/newsgroups/list/en-us/default.aspx?DG=Microsoft.public.Office.misc&cat=en_us_01cb749f-c998-4762-8099-df71793c11c7&lang=en&CR=us

  ------------------------------------------------------------

  If necessary you can incident free get reports however the above should take care of it for you.

  Windows updates - free Incident report

  Go here and click on-> Windows Update fails while searching, downloading or installation of updates
  http://support.Microsoft.com/GP/wusupport#tab3

  The security updates, you can get free support Incident report
  http://www.Microsoft.com/protect/resources/support.aspx

  I hope this helps.
  Rob - bicycle - Mark Twain said it is good.

• Impossible to Windows update "windows has encountered an unknown error code: 80070490"

  OT: driver problem.

  I had an HP printer and print a report. All a sudden, it stopped printing. I thought I was out of ink. I have not replaced the ink still no draws. I bought a new printer HP think that my printer is out. I installed the HP envy 4500 and it will all do but print in Microsoft Word. I noticed when I trouble shoot it mentions a driver needing to be updated. When I try to update it will not be updated. He mentions that it is maybe corrupted give me an error 80070490 codeof when I go to windows update to update windows (the updated peripheral mention printers etc.) I tried everything I know to try, but I can't download the driver or update in windows.

  Someone please help!

  Have you tried to get your HP driver update?

  http://h10025.www1.HP.com/ewfrf/wc/softwareCategory?CC=au&LC=en&product=5304877

  http://h10025.www1.HP.com/ewfrf/wc/product?CC=au&LC=en&product=5304877

  See also:

  http://h30434.www3.HP.com/T5/printing-issues-troubleshooting/not-able-to-print-from-Word-to-HP-envy-4500/m-p/3785902/highlight/true#M83258

  Cannot install updates in Windows Vista, Windows 7, Windows Server 2008 and Windows Server 2008 R2
  http://Support2.Microsoft.com/kb/2509997/en-AU

  System update scan tool corrects errors of Windows Update in Windows 8, Windows 7, Windows Vista, Windows Server 2008 R2 and Windows Server 2008
  http://Support2.Microsoft.com/kb/947821

  0 x 80070490

  ERROR_NOT_FOUND

  Windows could not search for new updates.

• Update of the __Windows of _80072EFE found error Windows Update encountered an unknown error. -My lap top is not work write and I am unable to acess microsoft Web site since I am sent to some paysite to fix my computer.

  My lop top does not work well and very slow.  I'm not able to get to the microsoft Update site because it is blocked by my system.  I think I have a virus in my system

  http://support.Microsoft.com/kb/971058

  ~ 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

• Cannot install updates. I get a reference to the code 646 and the message: Windows update encountered an unknown error

  Remember - this is a public forum so never post private information such as numbers of mail or telephone!

  Ideas:

  • You have problems with programs
  • Error messages
  • Recent changes to your computer
  • What you have already tried to solve the problem

  See this response archived from a previous thread:

  http://social.answers.Microsoft.com/forums/en-us/vistawu/thread/21092c30-da71-4b7c-B242-1b32b28242bc>

• Vista Service Pack 2 installs 64-bit (KB948465) / Service pack has not been installed - Code 80070005 - Windows Update encountered an unknown error

  I have never had a problem with my computer before updating. I looked at various sites in regard to this problem and have noticed that a lot of people's problems with this update. Windows Installer Clean Up tool has failed. I also tried to install this through my anti-virus and that didn't work either. It is a complete mystery. Any help would be appreciated.

  Thank you

  roadbowler74,
  Thanks for posting on the Microsoft Answers community forums.  We want to help you solve your problem with the installation of service pack 2.  There are several things that could cause this problem.  Here's an article in the knowledge base that has some tips troubleshooting step by step for this specific problem:

  http://support.Microsoft.com/kb/947366
  How to troubleshoot the installation of the service pack, Windows Vista and Windows Server 2008 issues.

  The article is too long for me to post this here, so I do not say that you read and follow the steps as it should help you solve your problem.  Please let us know if you need more assistance.
  Thank you

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

• Windows Update has detected an error code 80200053 for the installation of the updates for the update of security for Microsoft Visual studio 2008 and 2010.

  Hello

  I received an update for security update for Microsoft Visual Studio 2010 (KB2542054) and the security update for Microsoft visual studio 2008 Service Pack 1 (KB 2538241). This updates have been detected by windows update on my laptop. However, when I tried to install these updates, they detect an error code 80200053, windows update encountered an unknown error. I need help with this ASAP. Thank you.

  Hello

  Step 1:

  You can read the following article and try to reset the Windows Update components and check.

  How to reset the Windows Update components?

  http://support.Microsoft.com/kb/971058

  Step 2:

  You can also check the links below and try to download and install the stand-alone package with updates:

  Microsoft Visual Studio 2010 RTM MFC security update

  Microsoft Visual Studio 2008 Service Pack 1 MFC security update

  Hope this information is useful.

• I'm trying to upgrade a site from Muse and it keeps telling me that the site has been created with a different version of Muse. I have updated Muse and still can not access the site to make changes.

  I'm trying to upgrade a site from Muse and it keeps telling me that the site has been created with a different version of Muse. I have updated Muse and still can not access the site to make changes.

  Hi rgarden95,

  Can you please confirm the exact version of Muse, you open the file with?

  To check the version of Muse, please click Help-> on Adobe Muse CC.

  Kind regards

  Akshay