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

Fix High CPU Usage by MsMpEng.exe (Windows Defender)

If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...

Fix 'Permission Denied' When Running Windows Update Offline Installer

When you try to run a Windows Update offline installer (typically an .msu file) and get a 'permis...

Microsoft Teams Token Expired Troubleshooting Checklist

If you see an error like "Your token has expired" or "Authentication needed" in Microsoft Teams, ...

Fix Windows Terminal 502 Bad Gateway Error

If you see a 502 Bad Gateway error in Windows Terminal, it usually means the ter...

How to Fix BitLocker Rate Limit Errors

If you see a "rate limit exceeded" or similar throttling error while managing BitLocker, it usual...

Fix Maven Dependency Resolution Failed in IntelliJ