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

Fix Windows Defender Error 0x80073b01 (Crash on Startup)

If Windows Defender crashes on startup with error code 0x80073b01, the antivirus service may be f...

Fix Outlook 502 Bad Gateway Error from Antivirus Interference

When you see a 502 Bad Gateway error in Outlook, it usually means a network comp...

How to Fix Abnormal Memory Usage in CMD on Windows

OneDrive Sync Module Troubleshooting Checklist

If OneDrive stops syncing or shows errors like "Changes not syncing" or "Sync paused," the sync m...

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 BitLocker Rate Limit Error on Windows 10

If you see a rate limit error when trying to unlock or manage a BitLocker drive on Windows 10, it...