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

Fix Windows Activation 502 Bad Gateway via Command Prompt

When you try to activate Windows and see a 502 Bad Gateway error, it usually means the activation...

Fix OneDrive Blank Screen on Windows 11

When you open OneDrive on Windows 11 and see only a blank white or gray screen instead of your fi...

Fix Windows Defender Error 0x800704ec

You see error 0x800704ec when opening Windows Defender or Windows Security. The message says auth...

Fix OneDrive 502 Bad Gateway Error from Proxy Settings

If you see a 502 Bad Gateway error in OneDrive, it often means a proxy or network device is inter...

Stop Windows Defender High CPU Usage: 5 Practical Fixes

If you notice your PC slowing down and the fan spinning up, Windows Defender might be using exces...

Fix Windows Defender Proxy Error: Permission Denied