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

How to Fix Cloudflare 521 Error During Setup

If you see a 521 error after setting up Cloudflare, it means your origin server refused the conne...

Fix VSCode Breakpoints Not Hit in launch.json

You set a breakpoint in Visual Studio Code, start debugging with a launch.json confi...

DNS Probe Finished NXDOMAIN: Fix When ipconfig /flushdns Fails

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

How to Allow Unrelated Histories in Git Merge

Update Git SSL Certificates to Fix 'unable to get local issuer'

If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...