Error 643 Windows Update
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Code 66a Windows Update Encountered An Unknown Error
to install. Security Update for Microsoft .NET Framework, Version 1.1 Service Pack 1 (KB886903) Installation date: 10/11/2007 3:10 AM
Code 643 Windows Update Encountered An Unknown Error
Installation status: Failed Error details: Code 643 Thursday, October 11, 2007 6:37 PM Reply | Quote Answers 0 Sign in to vote This KB may be able to help with your issue:
Windows Failed To Install The Following Update With Error 0x80070643
http://support.microsoft.com/kb/923100/ Friday, October 12, 2007 7:01 PM Reply | Quote All replies 0 Sign in to vote This KB may be able to help with your issue: http://support.microsoft.com/kb/923100/ Friday, October 12, 2007 7:01 PM Reply | Quote 0 Sign in to vote I had the same problem. This was being caused by Bitdefender (My antivisrus software) stopping the update of the registry. When I tried again BitDefender windows update code 643 gave me the option of allowing the update - this option was selected and the update applied successfully. Saturday, December 01, 2007 6:10 PM Reply | Quote 0 Sign in to vote Ok, I have just managed tofix this error after many attempts. Here it is. First, I downloaded "windows install cleanup" tool. next goto "add remove programs" and manually remove .NET Framework, Version 1.1 Service Pack 1 If like me it appears not to work you need to run the Cleanup tool you just downloaded and remove the service pack. After this you need to manually download and Install the service pack direct from the microsoft website, use the following url http://www.microsoft.com/downloads/details.aspx?familyid=A8F5654F-088E-40B2-BBDB-A83353618B38&displaylang=en. After you have installed this you will need to restart your pc and then goto windows update and run it. Hope this works for you, it worked for me and I was really getting fed up with this error, I cant believe Microsoft have not put out a patch for this problem. Good hunting Wednesday, April 23, 2008 7:27 PM Reply | Quote 0 Sign in to vote thanks Paulit works. one thing to add.before installing the .net framework 1.1 service pack 1. you might want to install the .net framework 1.1
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Gaming Smartphones Tablets Windows 8 PSUs Android Your question Get the answer Tom's Hardware>Forum>Windows 7>Error code 643 for windows update> Error code 643 for windows update Tags: Windows 7 Windows Update Last response: 1 December 2014 19:06 in Windows 7 Share clubsinlake 19 August http://www.tomshardware.com/forum/24524-63-error-code-windows-update 2011 05:10:28 Hello, I am running windows 7 OS. Updates are available, however when I http://www.dslreports.com/forum/r28034280-WIN7-Error-code-643-Windows-7-updates try to update all updates install except one for Security. Net framework and I get an error 643. It suggested installing windows update readiness installer, which I did, but I get the same error. Shat to do next?? More about : error code 643 windows update jpishgar 19 August 2011 22:05:28 This topic has been moved from the section Site Feedback to windows update section Windows 7 by Jpishgar jamesdean1 24 August 2011 19:36:44 Windows Update error code "0x643" and Windows Installer error code "1603" are generic error codes. Typically, these error codes mean that the update was not installed. These errors codes are usually caused by a corruption in the .NET Framework installation or by an inconsistency on the MSI database state. Related resources Error code 643 for windows update - Forum Error code: 0x643 - Forum Installation Failure Error error 643 windows Code 643, not in trouble shooting - Forum Windows update error code 0x80240fff - Forum Windows 10 Anniversary Update failed to install, error code 0x80070002 - Forum Can't find your answer ? Ask ! Get the answer Auriam 29 December 2013 19:18:29 I had the same problem with installing the .NET framework 4.5.1 update on Win7 x64. After trying all suggested solutions (use the System Readiness Tool, use the .NET repair tool, use the .NET Cleanup / uninstall tool) without success, the problem turned out to be that the C:\ProgramData\Microsoft\NetFramework directory didn't have the right permissions to be able to be written to *by the same installer which created it*. (sigh) My fix: I created the directory myself and set the permissions on all C:\ProgramData directories to "SYSTEM: Full Control", "Administrators: Full Control" and "CREATOR OWNER: Full Control." The next time I tried the update it worked perfectly. Hope it works for you. BrowneBoy 31 March 2014 10:42:37 Auriam said:I had the same problem with installing the .NET framework 4.5.1 update on Win7 x64. After trying all suggested solutions (use the System Readiness Tool, use the .NET repair tool, use the .NET Cleanup / uninstall tool) without success, the problem turned out to be that the C:\ProgramData\Microsoft\NetFramework directory didn't have the right permissions to be able to be written to *by the same installer which created it*. (sigh)
IP isWhoisCalculatorTool PointsNewsNews tip?ForumsAll ForumsHot TopicsGalleryInfoHardwareAll FAQsSite FAQDSL FAQCable TechAboutcontactabout uscommunityISP FAQAdd ISPISP Ind. ForumsJoin Search similar:Microsoft KB2823324 causing issues[XPPro] Windows Update - object errorAdwCleaner - campaign to keep infected from installing?Microsoft security bulletin for November 12 2013[Info] Out-of-Band Windows Updates Forums → Software and Operating Systems → Microsoft → [WIN7] Error code 643, Windows 7 updates uniqs8975 Share « [WIN8] ghost user in Homegroup • Thanks to tcg... » SuperNetGo Ninja,Go Ninja Go..Premium Memberjoin:2002-10-08Hoffman Estates, ILkudos:5 SuperNet Premium Member 2013-Feb-21 5:14 pm [WIN7] Error code 643, Windows 7 updatesThis is a brand new Lenovo T430S laptop, I can't get windows update to work, it installs and 2 fails with error code 643 every time..I have done tried this»support.microsoft.com/kb/976982Method 1: Fix MSI software update registration corruption issuesMethod 2: Repair the .NET FrameworkAnd still did not work!!I am going crazy! Thanks · actions · 2013-Feb-21 5:14 pm · aguenPremium Memberjoin:2003-07-16Grants Pass, ORkudos:2 aguen Premium Member 2013-Feb-21 7:58 pm Are you running any kind of anti virus? · actions · 2013-Feb-21 7:58 pm · SuperNetGo Ninja,Go Ninja Go..Premium Memberjoin:2002-10-08Hoffman Estates, ILkudos:5 SuperNet Premium Member 2013-Feb-21 8:05 pm said by aguen:Are you running any kind of anti virus? No I uninstalled it · actions · 2013-Feb-21 8:05 pm · SuperNet SuperNet Premium Member 2013-Feb-21 10:55 pm Anyone I need to get this working:-( · actions · 2013-Feb-21 10:55 pm · dib22join:2002-01-27Kansas City, MO dib22 to SuperNet Member 2013-Feb-22 3:22 am to SuperNetTry downloading and installing these:»www.microsoft.com/en-us/ ··· px?id=26»www.microsoft.com/en-us/ ··· px?id=33»www.microsoft.com/en-us/ ··· px?id=22reboot, and then try windows updat