Guide to resolving KB4519976 update error

Many users of the recent win7 security update found that their installation failed, and a pop-up window kept popping up to enter their account and password when logging in. They don’t know how to solve it. First, we need to clear the update cache.

KB4519976 Update Error Resolution Tutorial

1. Open Win R and enter services.msc to open the service.

2. Find Windows update and right-click to stop.

3. Delete or rename the DataStore and Download folders in the path C:\Windows\SoftwareDistribution.

4. Restart the Windows update service and try to upgrade again.

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