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

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fix Nginx Upstream Connection Refused in Docker

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

Fix Python venv Not Activating in CMD

You create a virtual environment with python -m venv myenv, navigate to the Scripts ...

How to Fix Node.js Heap Out of Memory Error

You’re running a Node.js script and it crashes with FATAL ERROR: CALL_AND_RETRY_LAST Alloca...