Checklists for software errors, setup, and tool workflows.

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Latest checklists

You open Command Prompt, type python, and see 'python' is not recogniz...

Fix npm install ENOENT Error: No Such File or Directory
When you run npm install and see an error like ENOENT: no such file or directo...

Fix Git Push Rejected Non-Fast-Forward After Pull
You run git pull, then git push, and get: ! [rejected] non-fast-f...

How to Give VS Code Permission to Save Files
If VS Code shows a permission error when you try to save a file, the problem is usually that the ...

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

Docker Container Exits Immediately: No Error, Common Fixes
You run docker run and the container starts, then exits within a second. No error me...