Checklists for software errors, setup, and tool workflows.

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Fix Windows Security 502 Bad Gateway Error

If you're seeing a "502 Bad Gateway" error when opening Windows Security (also known as Windows D...

Fix Windows Update Clean Up Tool Not Working

You run Disk Cleanup, check "Windows Update Cleanup", but nothing happens—or the option is missin...

Windows Terminal Shows Blank Screen When PowerShell Doesn't Load

You open Windows Terminal, expecting the PowerShell prompt, but instead you see a blank black or ...

Fix Windows Update Stuck Downloading After Reboot

You restart your PC to finish installing updates, but instead of completing, Windows Update gets ...

Fix Windows Terminal 'Command Not Found' and 'Permission Denied'

You open Windows Terminal, type a command, and see command not found or permis...

Fix Windows Update Access Denied Due to Permission Settings
You try to run Windows Update, but get an 'Access Denied' error. This usually means the update pr...