Knowledge base for software setup, errors, and daily tool work.

Windows Update 404 Not Found: Practical Checklist

When Windows Update gives you a 404 Not Found error, it usually means the update files are missin...

Fix Windows Security Version Mismatch Error

You open Windows Security and see an error like "Version mismatch" or "This app can't open becaus...

Fix Outlook 404 Not Found Error on Windows 10

If you see a '404 Not Found' error when opening Outlook or clicking a link in an email, it usuall...

Fix WSL Ubuntu Internet Not Working Due to Windows Firewall

If your WSL Ubuntu instance has lost internet connectivity, the Windows Firewall is a common culp...

Reset Microsoft Store Using wsreset Command

How to Fix Microsoft Teams 502 Bad Gateway Error

You open Microsoft Teams and see a 502 Bad Gateway error. This usually means a problem between th...