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Fix Microsoft Store 404 Not Found After Update

After a Windows update, you might open Microsoft Store and see a 404 Not Found error when trying ...

Unlock a File Locked by System Command Prompt

You try to delete or move a file, but Windows says it's open in 'System' or 'Command Prompt'. Thi...

Fix Windows Defender Port Already Allocated Error in Command Line

If you see "port already allocated" when trying to run Windows Defender from the command line, it...

Fix Windows Defender Proxy Error: Permission Denied