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

Fix Chrome Certificate Error After Update

After a Chrome update, you might see errors like “Your connection is not private” or “NET::ERR_CE...

Fix git index.lock File Exists Error on Windows

If you see fatal: Unable to create 'index.lock': File exists. when running G...

Cloudflare Origin Certificate Setup for Apache

If you use Cloudflare's proxy (orange cloud), you can set up an origin certificate to encrypt...

Fix Chrome ERR_CONNECTION_RESET After Router Reboot

If you see ERR_CONNECTION_RESET in Chrome after rebooting your router, you'r...

Fix Nginx Permission Denied for Static Files

Common Causes

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