Checklists for software errors, setup, and tool workflows.

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Fix Windows Terminal Service Unavailable Error

When you see the error 'Terminal Service is unavailable' while trying to connect via Remote Deskt...

Fix Outlook File Locked by Outlook.exe Not Responding

If you see an error that your Outlook data file (.pst or .ost) is locked because Outlook.exe is n...

How to Fix 'File Locked' Error in Windows Terminal and CMD

You try to delete, rename, or move a file in Windows Terminal or Command Prompt, and get an error...

Fix Windows Defender Token Expired Preventing Service Start

You see 'Token expired' in the Windows Defender event log or a notification that the service didn...

Fix Apache Not Starting: Port 80 Already in Use

When Apache fails to start with the error (98)Address already in use: AH00072: make_sock: c...

Fix 'Security Module Not Found' in Windows Defender
If you see a message in Windows Security that says something like "Security module not found" or ...