Checklists for software errors, setup, and tool workflows.

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Fix 'wuauclt: command not found' Error

If you see wuauclt: command not found when trying to run Windows Update from the com...

Fix Windows Activation Error 0x800704cf: Cannot Connect to Server

You see error 0x800704cf when trying to activate Windows, with the message "Cannot connect to the...

How to Fix Windows Security Certificate Error Not Trusted

You're browsing or running an app and Windows throws a security warning: the certificate is not t...

Fix OneDrive Connection Refused Due to Firewall Settings

You open OneDrive and see "Connection refused" or "Cannot connect" errors. Often this is because ...

Fix Microsoft Store 404 Not Found Error on Reinstall

When you try to reinstall an app from the Microsoft Store and get a 404 Not Found

Chrome Profile Missing After Logout: Recovery Steps
You log out of Chrome or your computer, and when you log back in, your profile is gone—no bookmar...