Checklists for software errors, setup, and tool workflows.

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Fix 'File Locked by Unknown Process' in Command Prompt

You try to delete, rename, or move a file, but Windows says it's locked by an unknown process. Th...

How to Fix Windows Activation Service Not Running or Disabled

If you see an error that the Windows Activation Service is not running or disabled, it usually me...

Fix Windows Security Rate Limit Error: Can't Open App

You try to open Windows Security or a protected app, and instead you see an error message like "R...

Fix Windows Activation Version Mismatch via Command Prompt

If you see an error like "The version of Windows you are trying to activate does not match the pr...

Fix 'git remote add origin repository not found' Error

When you run git remote add origin <url> and get repository not found

How to Disable Git SSL Certificate Verification Temporarily
If you see an error like fatal: unable to access '...': SSL certificate problem: unable to ...