Checklists for software errors, setup, and tool workflows.

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix VS Code Breakpoints Not Hit in C++: Practical Checks

You set a breakpoint in VS Code while debugging a C++ program, but execution never stops there. T...

Fix npm run build Failed After Git Pull

You pulled the latest code from Git, ran npm run build, and got errors. This is a co...

Fix Windows 11 Installation Assistant Stuck at 99%

You're running the Windows 11 Installation Assistant, it reaches 99%, and then nothing happen...

Fix Cloudflare Wildcard Subdomain DNS Propagation Delay

You set up a wildcard DNS record (e.g., *.example.com) in Cloudflare, but new subdom...

Git Merge Conflict Abort Not Working: Fixes That Actually Help

You run git merge --abort to cancel a conflicted merge, but Git responds with someth...