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How to fix Window Update OX80070643 error

How to fix Window Update OX80070643 error



How to fix Window Update OX80070643 error - The error code Ox80070643 generally pop up when user tried to install the window update on PC. This error code is caused due to bug residing inside the operating system. The user can fix this issue by following some troubleshooting methods given below.


The Ox80070643 error can be fixed by following any of the four methods given below.



  1. Try to Install Windows update in Clean Boot State



In general the error occurs due to the presence of third party application posing interference at the time of Window Update. Since all Non Microsoft processes & services do not start in clean boot state so window update would be error free.


How to fix Window Update OX80070643 error


  1. Try to run Window update troubleshooter



The window update troubleshooter may help out to fix Ox80070643 error. In many cases these troubleshooter mechanism of windows fixes the error completely.



  1. It is fixed by renaming the SoftwereDistribution Folder



In some cases Ox80070643 error occurs due to the corruption of the MSI software update registration or .NET Framework installation on the computer. So the user is advised to rename the SoftwareDistribution folder. To rename Softwaredistribution folder open the command prompt window and type the keyword one after the other and press enter.


net stop wuauserv


net stop bits


rename c:\windows\SoftwareDistribution SoftwareDistribution.bak


net start wuauserv


net start bits



  1. Clear the contents of Catroot2 folder



During window update installation process our system requires two important folders – Catroot and Catroot2. To clear the contents of Catroot2 folder the user need to open command prompt window and type the given codes –


net stop cryptsvc


md %systemroot%\system32\catroot2.old


xcopy %systemroot%\system32\catroot2 %systemroot%\system32\catroot2.old /s


After deletion of contents of catroot2 folder, type the following code and press enter.


net start cryptsvc


After entering the code your catroot folder gets reset and you can start window update successfully.

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