Checklists for software errors, setup, and tool workflows.

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Fix Windows Update Stuck at 0 Percent Loading

You start a Windows Update and the progress bar shows 0% for more than 10-15 minutes. The system ...

Fix PowerShell Stuck on Loading PowerShell 7

You launch PowerShell 7, and the window shows “Loading PowerShell 7” indefinitely. The prompt nev...

Fix Windows Defender Real-Time Protection Grayed Out

You open Windows Security, go to Virus & threat protection, and see that the Real-time protection...

Fix Windows Security Version Mismatch Error

You open Windows Security and see an error like "Version mismatch" or "This app can't open becaus...

Fix Conda Environment Creation Failure with Permission Denied

You run conda create -n myenv python=3.9 and get a Permission denied

Fix Chrome Tunnel Connection Failed: Network Config Guide
When Chrome shows 'tunnel connection failed' or 'ERR_TUNNEL_CONNECTION_FAILED', it usually means ...