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

Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking

You try to load a website and see DNS_PROBE_FINISHED_NXDOMAIN in Chrome, or simi...

How to Resolve Cloudflare Origin Certificate Chain Issues

When Cloudflare's edge cannot validate your origin server's certificate chain, visitors m...

Windows 11 Update Stuck at 0%: How to Fix with Troubleshooter

You click Check for updates, it sits at 0% for ages, and the progress bar doesn't budge. This...

Fix PyCharm Virtual Environment Not Activating

When you open a terminal in PyCharm and see the base Python interpreter instead of your virtual e...

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

Fix npm run build failing due to ESLint errors

You run npm run build and it fails with a wall of ESLint errors. This is common when...