Checklists for software errors, setup, and tool workflows.

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Fix 'Windows Security App Not Installed' on Windows 10

You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...

How to Restart Windows Defender Threat Service

If Windows Defender shows a warning like "Threat service has stopped" or "Virus & threat protecti...

Fix Chrome Profile File Locked by Another User

If Chrome shows "Your profile could not be opened correctly" or "The profile appears to be in use...

Fix 'File Locked by System Process' in Windows 10 Search

When you search for a file in Windows 10 and get an error that the file is locked by a system pro...

Fix Chrome Profile Port Already Allocated Error via Command Line

You start Chrome with a custom remote debugging port and see ERROR: chrome_profile_path por...

Fix Chrome Startup Shortcut Not Working on Windows
You double-click your Chrome shortcut, but nothing happens—or it opens a different browser. This ...