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

Fix Nginx 'Permission Denied' Upstream Errors

When Nginx logs permission denied while connecting to an upstream (e.g., a Unix sock...

Fix Chrome Black Screen During Videos: Hardware Acceleration

If you're watching a video in Chrome and the screen goes black (but audio continues), hardwar...

Fix Windows Search Index Not Indexing New Files

If you've added new files to a folder but Windows Search can't find them, the search inde...

Chrome Startup Crash Due to Sandboxing: How to Fix

You open Chrome, it starts to load, then crashes before the window fully appears. This can happen...

Fix Chrome Black Screen on Nvidia GPU with Hardware Acceleration

If you're seeing a black screen in Chrome—especially when watching videos or scrolling—and yo...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate