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

Node.js --max-old-space-size Setup Guide for Memory Issues

If your Node.js process crashes with a JavaScript heap out of memory error, you likely need to ad...

Fix Windows 11 Installation Assistant Stuck at 99%

You're running the Windows 11 Installation Assistant, it reaches 99%, and then nothing happen...

How to Fix Windows Update Error 0x80070005 Permission Denied

When Windows Update fails with error 0x80070005 and the message "Permission denied," it u...

Fix 'Python Command Not Found' in Anaconda on Windows

How to Fix Cloudflare 521 Error Due to Proxy Issues

If you see a Cloudflare 521 error, the message usually says something like “Web server is down.” ...

Fix Nginx 502 Bad Gateway with Docker Multiple Containers

If you run Nginx as a reverse proxy in front of multiple Docker containers, a 502 Bad Gateway err...