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

Fix ERR_NAME_NOT_RESOLVED on Windows 10

Seeing ERR_NAME_NOT_RESOLVED in Chrome on Windows 10 means your browser can'...

VS Code Git Not Detecting Changes: Step-by-Step Fix

You've edited files in VS Code, but the Source Control panel shows no changes. The git icon m...

Fix Nginx Permission Denied on Socket File

When Nginx throws a "permission denied" error for a socket file, the web server can't...

How to Fix Firefox Secure Connection Failed Certificate Error

You see a full-page error in Firefox: Secure Connection Failed with a message li...

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome

When Chrome shows 'NET::ERR_CERT_AUTHORITY_INVALID', it means the browser cannot verify t...

Fix Nginx Upstream Connection Refused in Proxy Pass