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

DNS Probe Finished NXDOMAIN: Fix When ipconfig /flushdns Fails

You're browsing normally and suddenly Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". You...

How to Troubleshoot Remote Desktop Connection Issues

Remote Desktop (RDP) lets you control another computer over a network. When it fails, you usually...

Windows Search Indexing Setup: A Practical Guide

If Windows Search is slow or returning no results, the indexing service may not be set up correct...

Fix Cloudflare 522 Error with Nginx Configuration

You're seeing a Cloudflare 522 error: connection timed out between Cloudflare and your origin...

Fix Windows Search Indexing High CPU Usage

If your computer's fan spins up and Task Manager shows Windows Search using a lot of CPU, the...

Fix Nginx 502 Bad Gateway on Docker Ubuntu