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Windows Update again unable to install updates (0x80070643)


cgthamm

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Found a serious problem in Windows 10 Insider Preview build 14342.

 

If you run:

dism /online /cleanup-image /startcomponentcleanup

the component store becomes corrupted, and this results in Windows Update failing to install updates with error 0x80070643.

 

Unfortunately, I have not yet found a way to repair the component store.

 

I am backing up my data, and preparing to re-install W10IP 14342. For the moment, anyway, it appears that the only solution is to avoid using the above command.

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