Windows 10 Update KB3140768 fails to install

April 3, 2016

I finally had the time to check why the Updates on my Surface failed to install.

I started to troubleshoot the issue and found the solution in the CbsPersist_[Date and Time].log located in the C:\Windows\Logs\CBS folder.

WinUpdate Error

I have used my surface for testing purposes and had not entirely clean out the test user profiles. Doing so allowed the updates to install properly.

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