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

Fix Windows Defender Rate Limit Error via Registry Edit

If Windows Defender shows a rate limit error—often with messages like "Threat service has stopped...

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 GitHub Actions Cache Action Permission Denied Error

Fix 'Windows Security Cannot Connect to Microsoft Defender' Error

When you open Windows Security and see the message 'Windows Security cannot connect to Microsoft ...

Fix "7zip Cannot Open File as Archive" Permission Denied Error

You try to open an archive with 7-Zip and get: "Cannot open file as archive" fol...

Fix Windows Defender Proxy Error 0x80070422

If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...