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

Fix ERR_NAME_NOT_RESOLVED Caused by Antivirus Block

If you see ERR_NAME_NOT_RESOLVED in Chrome, it usually means the browser can'...

Resolving Git Merge Conflicts Between Two Branches

You try to merge branch A into branch B, but Git reports a merge conflict. This is common when bo...

Fix Cloudflare Wildcard Subdomain and Root Domain Conflict

If you use a wildcard DNS record (e.g., *.example.com) on Cloudflare, you may run in...

Fix Virtual Environment Not Activating in Terminal

Why Your Virtual Environment Won't Activate

You open a terminal, navigate to your pro...

Windows 11 Update Stuck at 0%: Manual Download Fix

You click 'Check for updates' in Windows 11, and it hangs at 0% for minutes or hours. Res...