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

Fix Microsoft Teams DNS Error 0xcaa20002

When launching Microsoft Teams, you may encounter error code 0xcaa20002, typically accompanied by...

Fix GitHub Actions Cache Action Permission Denied Error

Windows Update Stuck at 100% After Restart: How to Fix

You restart your PC after a Windows update, but it hangs at "100% complete" for 10 minutes or mor...

OneDrive Sync Service Unavailable: Practical Fixes

When OneDrive shows "sync service unavailable," files stop syncing and you may see a paused icon ...

Fix Windows Defender Configuration Not Working Properly

When Windows Defender (Microsoft Defender Antivirus) configuration doesn't work properly, you mig...

Fix Windows Terminal Config File Not Saving

You edit your Windows Terminal settings, click Save, and the changes disappear. Or the file rever...