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

Fix Windows Defender Threat Service Not Running Error

You open Windows Security and see a yellow warning: “Threat service has stopped. Restart it now.”...

Fix Windows Terminal 404 Error on Startup

When Windows Terminal shows a 404 error on startup, it usually means the app cannot find a requir...

How to Fix BitLocker SSL Certificate Error

Symptoms

When you try to unlock a BitLocker-protected drive or enable BitLocker, you may ...

Fix Windows Security Token Expired Error 0x80070520

You see error 0x80070520 with the message 'The security token has expired.' This usually happens ...

Fix 502 Bad Gateway Error in Windows Command Prompt

If you're seeing a 502 Bad Gateway error while running commands in Windows Comma...

Fix Windows Defender Stuck Loading Error 0x80070422

If Windows Defender is stuck loading and you see error 0x80070422, the service may be disabled or...