
Fix Windows Defender High CPU Usage When Scan Stuck
If Windows Defender is using nearly 100% CPU and a scan appears stuck (e.g., progress bar frozen ...
Software troubleshooting desk

If Windows Defender is using nearly 100% CPU and a scan appears stuck (e.g., progress bar frozen ...

You try to run Windows Update and get an error like "Authentication failed" or "0x80070005" – and...

After a Windows update, Windows Terminal may show a certificate error when starting. This typical...

You try to sync files with OneDrive, but the sync stops and you see an error like "Sync failed – ...

If you're stuck in a Microsoft Teams login loop on your Mac—where the app asks you to sign in rep...

When Outlook suddenly reports it cannot connect to the internet, you may still be able to browse ...