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

Fix Git SSL Certificate Problem on Corporate Networks

If you see git SSL certificate problem: unable to get local issuer certificate while...

Fixing Python Dependency Conflicts in Conda Environments

You've created a Conda environment, installed a few packages, and now Python throws an import...

Fix Error 0x80070080 When Windows Update Stuck

You see error 0x80070080 and Windows Update hangs at a certain percentage. This usually means a p...

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

Fixing Windows Update Error 0x80070005 and SFC Scan Issues

You try to run Windows Update but get error 0x80070005. When you run System File Checker (SFC /sc...

Fix Nginx Upstream Connection Refused Error

If you see upstream connection refused in your Nginx error logs, it means Nginx trie...