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

Fix VS Code Terminal Not Opening with Conda Environment

You open VS Code, try to launch the integrated terminal, and nothing happens—or the terminal open...

Fix Nginx Upstream Connection Refused Error

When Nginx returns upstream connection refused in your error logs, it means Nginx tr...

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...

Fixing Node Sass Build Failures on Linux

Fix Cloudflare DNS Propagation Taking Too Long

You updated DNS records in Cloudflare but changes still aren't live hours later. This is frus...

Fix Windows Update Error 0x80070002

Windows Update error 0x80070002 usually appears when the update process can't find a required...