Workflow manuals for setup steps, repeatable tasks, and software operations.

How to Fix Nginx Upstream Connection Refused on Port 80

When nginx logs show "upstream connection refused" while connecting to port 80, it means ...

Fix WiFi Connected But No Internet on Windows 11 Using Netsh

You connect to WiFi, see full bars, but websites won't load. This is common on Windows 11. Th...

Fix Windows Update Error 0x80070002 Using DISM

If you see Windows Update error 0x80070002, it usually means the update system can't find a n...

How to Stop Windows Explorer from Restarting

If Windows Explorer (explorer.exe) keeps restarting—your taskbar disappears and reappears, or you...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

Fix VS Code Terminal Not Opening WSL

You open VS Code, switch to the integrated terminal, select WSL as your default shell, and nothin...