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

Nginx Redirect Loop Not Working: Causes and Fixes

You've set up a redirect in Nginx, but instead of landing on the intended URL, the browser sh...

Fix DNS Probe Finished NXDOMAIN in Edge Browser

When Microsoft Edge shows "DNS_PROBE_FINISHED_NXDOMAIN", it means the browser cannot reso...

Windows Explorer Restarting Checklist for Advanced Users

If Windows Explorer (explorer.exe) keeps restarting—freezing, flashing, or crashing repeatedly—it...

Fix Docker Nginx 502 Bad Gateway Upstream Error

When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...

How to Fix Cloudflare 522 Error: Check Your Origin Server

If you're seeing a 522 Connection Timed Out error in your browser when visit...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

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