Checklists for software errors, setup, and tool workflows.

Fix VS Code IntelliSense Not Working in Workspace

When you open a workspace in VS Code and IntelliSense stops showing suggestions, it usually point...

Reset Network Settings in Windows 11 When You Have No Internet

If you're reading this, you probably can't get online in Windows 11. The network icon in ...

How to Fix WiFi Connected but No Internet on Windows 11

You see the WiFi icon connected, but websites won't load, and apps report no internet. This i...

Fix Firefox Secure Connection Failed Due to Proxy Settings

If you see "Secure Connection Failed" in Firefox and suspect a proxy is involved, you'...

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 npm ERR! enoent ENOENT: package.json Not Found in node_modules

You run npm install or npm start and get something like:

...