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

Fix DNS Probe Finished NXDOMAIN for a Specific Website

If you see the error "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome when trying to visit a speci...

Fix Blue Screen Loop After Windows 11 Update

You install a Windows 11 update, restart, and then get stuck in a blue screen loop—the system cra...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Fix VS Code Git Authentication Failed: Step-by-Step Guide

You're in the middle of a push or pull in VS Code, and you get a red error: "Authenticati...

Windows 11 Update Stuck at 0%: How to Fix

You click 'Check for updates' and see the download stuck at 0% for minutes or hours. This...

How to Fix Python Memory Error When Processing Large Files

If you're seeing a MemoryError in Python while trying to process a large file, t...