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

Cloudflare SSL Full Strict Error 525 Fixes

If you see Error 525: SSL handshake failed when using Cloudflare with SSL set to...

How to Fix Chrome ERR_CONNECTION_RESET with DNS Flush

If Chrome shows ERR_CONNECTION_RESET, the connection was interrupted. This often...

Fix Cloudflare Wildcard Subdomain Page Rule Not Working

You set up a wildcard subdomain page rule in Cloudflare—like * .example.com/*—but it...

Fix Nginx 502 Bad Gateway: Upstream Connection Refused

If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

How to Set Node Version for a Project

When working on multiple projects that require different Node.js versions, you may encounter erro...