Checklists for software errors, setup, and tool workflows.

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Fix VS Code Git Authentication Failed Keychain Error

If you see "Git authentication failed" in VS Code on macOS, the problem is often the macO...

Recover Lost Commits After Git Detached HEAD

You've made commits while in a detached HEAD state, and now you can't see them on any bra...

Fix 'Permission Denied' in VS Code Terminal on Linux

You're working in VS Code on Linux, open the integrated terminal, and run a command—only to s...

Fix VS Code Git Auth Failed with Personal Access Token

If you're using a personal access token (PAT) for Git authentication in VS Code and seeing &#...

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 Missing Taskbar Icons After Uninstalling a Program
You uninstall a program, and suddenly some taskbar icons disappear—even for apps you didn't r...