Checklists for software errors, setup, and tool workflows.

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Latest checklists

If you see "Git authentication failed" when pushing or pulling in VS Code, it usually mea...

If you open Windows Security and see the real-time protection toggle greyed out, you can't tu...

You install a Windows 11 update, restart, and then get stuck in a blue screen loop—the system cra...

You're in the middle of a Git operation—commit, merge, or rebase—and Git stops with: fa...

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

Fix npm install Permission Denied (EACCES) Error
When you run npm install and see an error like Error: EACCES: permission denie...