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

Windows Defender Real-Time Protection Troubleshooting Checklist

If Windows Defender real-time protection fails to turn on or keeps turning off, you may see warni...

Fix DNS Probe Finished NXDOMAIN on Google DNS Setup

If you see "DNS probe finished NXDOMAIN" in your browser, it means your device couldn'...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

Fix Git Merge Conflicts with Deleted Files

You're in the middle of a merge and git stops with a conflict. One side deleted a file, the o...

Setting Up Cloudflare Wildcard Subdomains for Multiple Sites

If you manage multiple sites or services on different subdomains (like app.example.com, blog.exam...

Fix ERR_NAME_NOT_RESOLVED in Chrome: Proxy Settings Guide

If you see ERR_NAME_NOT_RESOLVED in Chrome, it usually means the browser can'...