Checklists for software errors, setup, and tool workflows.

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Fix Windows Defender Blank Screen in Safe Mode

You boot into Safe Mode to run a malware scan, but Windows Defender shows nothing—just a blank wh...

Fix PowerShell 504 Gateway Timeout via Proxy Settings

When PowerShell commands return a 504 Gateway Timeout, it often means the proxy ...

Fix PowerShell Port Already Allocated Error 0x80072746

When running a PowerShell script or cmdlet that tries to start a network listener, you may see er...

OBS Black Screen Troubleshooting Checklist

You launch OBS Studio, start a scene, and the preview shows a black screen. This is one of the mo...

Fix 'powershell not recognized as internal or external command'

When you type powershell in Command Prompt or a script and see the error "'power...

Fix Microsoft Store Dependency Conflict After Windows Update
After a Windows update, you might see error messages like "This app can't open" or "Something wen...