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

How to Enable Chrome Auto-Start for a Specific Profile

You want Chrome to open automatically when you log in, but with a specific profile (e.g., your wo...

Fix Windows Activation Blocked by Firewall

When Windows can't activate, one common culprit is the firewall blocking the connection to Micros...

Fix OBS Black Screen but Audio Works: Step-by-Step Guide

If OBS Studio shows a black screen in your source preview or stream but audio is working fine, yo...

Fix 502 Bad Gateway in Windows Terminal: Firewall Steps

If you see a 502 Bad Gateway error in Windows Terminal, it usually means a network component (lik...

How to Fix 'npm command not found' on Mac

Fix Chrome Profile Network Errors by Clearing Cache

If Chrome shows network errors tied to your profile—like 'ERR_NETWORK_CHANGED' or pages failing t...