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

Fix Wi-Fi No Internet on Windows 11 Without Restarting Router

You connect to Wi-Fi, the icon shows internet access, but browsers say no internet. Restarting th...

Fix Docker Container Exits Immediately in Background Mode

You run a Docker container with -d (detached mode) and it exits immediately. The con...

Bluetooth Icon Missing in Windows 11: How to Restore It

You open the system tray on Windows 11 and the Bluetooth icon is gone. Even if Bluetooth is turne...

Fix Docker Volume Permission Denied for Postgres

Fix Git SSL Certificate Problem: Unable to Get Local Issuer on GitHub

If you see fatal: unable to access 'https://github.com/...': SSL certificate proble...