Checklists for software errors, setup, and tool workflows.

Fix Microsoft Teams File Locked by Previous Session Error

You try to edit a file in Microsoft Teams and see a message that the file is locked by a previous...

How to Fix Command Prompt Run as Administrator Not Working

You right-click Command Prompt and select 'Run as administrator', but nothing happens, or it open...

Fix Outlook 502 Bad Gateway Error on Windows 10

If you see a 502 bad gateway error in Outlook on Windows 10, it usually means the connection betw...

Fix Windows Search Returning 404 Not Found Error

When you search for a file or app in Windows and click a result, you may see a ‘404 Not Found’ er...

Fix Antivirus Causing High CPU Usage in Command Prompt

If you notice high CPU usage in Task Manager under Command Prompt, your antivirus software may be...

Fix Ubuntu apt update GPG error: repository not signed

When running sudo apt update, you might see an error like:

W: GPG erro...