Checklists for software errors, setup, and tool workflows.

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Fix Git 'index.lock' Error in VS Code

If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

Fix 'Python Is Not Recognized as an Internal or External Command'

When you type python in the Command Prompt and see 'python is not recognized...

Fix Windows Security App Configuration Error
When you open Windows Security and see a message like "Your IT administrator has limited acce...

How to Fix Chrome Crash Loop on Windows and Mac
If Chrome opens for a few seconds and then crashes, or keeps restarting in a loop, you're lik...

Windows Security App Won't Open in Safe Mode: Fixes
If you’re in Safe Mode and the Windows Security app refuses to open—showing a blank window, crash...

Fix Git 'index.lock file exists' Error
If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git 'index.lock' Error in VS Code

Fix 'Python Is Not Recognized as an Internal or External Command'

Fix Windows Security App Configuration Error

How to Fix Chrome Crash Loop on Windows and Mac

Windows Security App Won't Open in Safe Mode: Fixes

Fix Git 'index.lock file exists' Error

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