You may receive error message 0x80070643 when windows update, unistall Zune software, install Microsoft Essentials..., this page contains some useful information to repair your computer error code 0x80070643, if you fixed this error from this help article, you can email us (windowsxpregistrycleaner@gmail.com ) give your feedback, and we hope you can share this page to your friends if they need like you, thanks.

 

Windows xp - update error code 0x80070643

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• When you try to install .NET Framework updates on your windows xp sysytem, you may get the error below:
  
  "error code 0x80070643"
   

• How to fix?
  
  You must fix MSI software update registration corruption issues or uninstall multiple versions of the .NET Framework by using the .NET Framework Cleanup Tool, and then reinstall those components.
  
  Method 1: Fix MSI software update registration corruption issues
  
  To fix MSI software update registration corruption issues automatically, click the Fix it link. Click Run in the File Downloaddialog box, and then follow the steps in the Fix it wizard.
  
  Note this wizard may be in English only; however, the automatic fix also works for other language versions of Windows.
  
  Note if you are not on the computer that has the problem, save the Fix it solution to a flash drive or a CD and then run it on the computer that has the problem.
  
  How to fix MSI software update registration corruption issues
  
  Visit Windows Update, and attempt to install updates again. If the issue is not resolved, go to method 2.
  
  
  Method 2: Repair the .NET Framework
  
  To repair the .NET Framework you must uninstall multiple versions of the .NET Framework by using the .NET Framework Cleanup Tool, and then reinstall the components.
  
  1. Download the .NET Framework Cleanup Tool:
  .NET Framework Cleanup Tool User's Guide 
  
  2. Using the .NET Framework Cleanup Tool, uninstall the .NET Framework 1.0, 1.1, 2.0, 3.0, and 3.5.
  
  Note The cleanup tool does not let you remove the .NET Framework 2.0 in Windows Vista or later versions because the .NET Framework is installed as an operating system component.
  
  3. Restart the computer.
  
  4. Download and install the following components:
  
  .Net Framework 1.1:
  Microsoft .NET Framework Version 1.1 Redistributable Package
  
  .Net Framework 1.1 SP1:
  Microsoft .NET Framework 1.1 Service Pack 1
  
  .NET Framework 3.5 SP1 (this will also install .Net Framework 2.0 SP2 and .Net Framework 3.0 SP2)
  Microsoft .NET Framework 3.5 Service Pack 1
  
  5. Restart the computer
  
  6. Visit Windows Update, and then check for and install updates.  
   

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Microsoft help links for error 0x80070643

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• MicroSoft Security Essential XP with Error Code:0x80070643
   
• You receive error code 0x80070643 or error code 0x643 when you use the Windows Update or Microsoft Update Web sites to install updates
   
• Installation Error 0x80070643
   
• Microsoft Security Essential error 0x80070643
   
• You receive an "Error 80070643" error message when you try to update Office 2003 by using Software Update Services
   
• Error code when you try to install the DNS server role if all network adapters are disabled or unplugged on a computer that is running Windows Server 2008: "0x80070643"
   
• You receive an error code 0x80070643 when you try to install Windows Live Essentials

 

• If you still haven't fixed the windows xp 0x80070643 problem:
  
  1. Please try the tool windows registry optimizer, it safely cleans PC errors & invalid entries cause slow speed, blue screen, deadlock errors and crashing, and repair registry problems to speedup your computer performances. It is easy to use. And you can scan your PC errors for free first!
  
  2. Some pc error is related to driver problems, Driver Update software is designed to quickly locate the most current drivers specific to your computer system, you can run a free scan for your pc driver update first.
   

That we can find the help informations to repair xp 0x80070643 error, hope it's useful for you to face this pc problems. If you still haven't resolved this issue, please contact microsoft support for the further help.

 

 

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>>> Fix XP Update Error 0x80070643