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

Windows Defender Troubleshooting Checklist

Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...

Fix OneDrive Sync High CPU Usage with Error 0x8004de40

If OneDrive is using high CPU and showing error 0x8004de40, the sync client is likely stuck in a ...

How to Investigate PowerShell High Memory Usage in Task Manager

If you open Task Manager and see PowerShell consuming hundreds of megabytes or even gigabytes of ...

Fix OneDrive Sync Error 0x8004def5

OneDrive error 0x8004def5 usually appears when the sync client can't authenticate or connect to M...

Windows Activation Error Troubleshooting Checklist: Step-by-Step

Common Activation Error Types

Windows activation errors usually appear as a watermark on ...