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

Enable Windows Security Manually When It Fails to Start

If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...

Fix Outlook Token Expired Authentication Failed Error

If you see 'token expired' or 'authentication failed' in Outlook, it usually means the app's save...

How to Fix Command Prompt High CPU Usage on Windows 10

Fix 502 Bad Gateway in Windows Terminal WSL

If you see a "502 Bad Gateway" error in Windows Terminal while running WSL, it usually means the ...

How to Reinstall Windows Defender in Windows 10

Windows Defender (now called Microsoft Defender Antivirus) is built into Windows 10 and typically...

How to Fix OpenVPN Connection Failed on Windows 10

OpenVPN connection failures on Windows 10 usually show a log message like 'Connection failed' or ...