Checklists for software errors, setup, and tool workflows.

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Fix Git 'index.lock' File Exists Error in IntelliJ

If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

Fix Explorer.exe Keeps Restarting in Windows 10
If your File Explorer (explorer.exe) keeps restarting on Windows 10, you'll see the taskbar a...

Chrome Startup Crash on Windows 11: Fixes That Work
You click the Chrome icon on your Windows 11 PC, the window flickers, and then nothing—or you get...

How to Remove the Externally Managed Environment Flag in pip
If you're seeing error: externally-managed-environment when using pip on a moder...

Fix VS Code Git Authentication Failed with Two-Factor Auth
When you have two-factor authentication (2FA) enabled on your Git service (GitHub, GitLab, Bitbuc...

Fix Git Push Rejected Non Fast Forward Branch Error
If you see ! [rejected] and non-fast-forward when running git pus...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git 'index.lock' File Exists Error in IntelliJ

Fix Explorer.exe Keeps Restarting in Windows 10

Chrome Startup Crash on Windows 11: Fixes That Work

How to Remove the Externally Managed Environment Flag in pip

Fix VS Code Git Authentication Failed with Two-Factor Auth

Fix Git Push Rejected Non Fast Forward Branch Error

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