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

Fixing Cloudflare 521 Error: Enable Origin Pull Setup

If you see a Cloudflare 521 error, it means Cloudflare can't connect to your origin server. O...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

How to Enable Chrome Extensions That Aren't Loading

You open Chrome and see a grayed-out extension icon. Clicking 'Enable' does nothing, or t...

Python Memory Error When Processing Large Files: Troubleshooting Checklist

You're running a Python script that reads a large file—maybe a CSV with millions of rows, a l...

Handling Missing Peer Dependencies in pnpm Install

When you run pnpm install and see warnings about missing peer dependencies, your pro...

Windows 11 Installation Assistant Stuck at 99% Disk Space

You’re running the Windows 11 Installation Assistant, it gets to 99%, and then sits there. The pr...