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

Fix Task Scheduler Not Working After Windows Update

After a Windows update, you might find that scheduled tasks no longer run, or the Task Scheduler ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Windows Terminal Module Not Found Error

If you see a 'Module not found' error in Windows Terminal, it usually means a PowerShell or WSL p...

Fix Windows Defender Proxy Error 0x80070422

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

Fix Windows Activation Version Mismatch After Upgrade

After upgrading Windows—whether from Home to Pro or from an older build to a newer one—you might ...

Windows Activation Blank Screen: Troubleshooting Checklist

If you're seeing a blank screen after entering a Windows activation key, the system may be stuck ...