Knowledge base for software setup, errors, and daily tool work.

Windows 11 Update Stuck at 0%: Practical Checklist

You start a Windows Update and it hangs at 0% for 10, 20, 30 minutes. This is a common frustratio...

Fix VS Code Git Authentication Failed After Update

After updating Visual Studio Code, you may see an error like "Git: Authentication failed"...

Fix Windows Security App Not Responding: Step-by-Step

You open Windows Security to run a scan or check protection, but the app freezes, shows a blank w...

Fix Cloudflare Wildcard Subdomain DNS Propagation Delay

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

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

Symptom

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

Fix Docker 'No Space Left on Device' on Mac