[SOLVED] W10 Update and MCT fail with error 0x800700C1

Cld · Jul 9, 2016

I am currently on W10 Build 10565, both Windows update or Media Creation Kit fails to install a more recent build.

Both return with 0x800700C1

I've ran Dism /Online /Cleanup-Image /RestoreHealth

CBS
http://cld.moe/files/CBS.log
http://cld.moe/files/CBS.zip

SFCFix returns clear
http://cld.moe/files/SFCFix.txt

Setuperr.log
http://cld.moe/files/setuperr.log

Setupact.log
http://cld.moe/files/setupact.log

This thread seems like the problem i am facing: https://www.sysnative.com/forums/wi...onfigure-update-kb2919355-error-800703f1.html
Not sure what actions to take tho.

Thanks

Cld · Jul 11, 2016

Dism log file showed failure in loading one of its dependencies, its covered by CBS.log but it does not consider it an error for w/e reason.
The file is 0kb big, i tried replacing it with a valid PE file, to see if that would get CBS to fix it, that resulted in CBS reporting a hash mismatch but couldn't repair the file. (i assume this is an issue on Microsofts storage of the files for this build)

I ended up extracing the drupdate.dll from a servicing stack update for a newer build, and that worked out and managed to update through windows update to a more recent build.

So that solves the issue, thanks to everyone who read the thread.

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[SOLVED] W10 Update and MCT fail with error 0x800700C1

Cld

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Cld

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