Windows 11 network issue: only browser works

Please run Network Adapter troubleshooter from Settings app > System > Troubleshoot > Other troubleshooters. Let us know what it reports back. 

If issue still persists, try to perform Network Reset:

1. Open Settings app, click Network & Internet > Status > Network reset link.

2. Now click on Reset button on next screen.

3. In confirmation prompt appearing next, click Yes.

For detailed steps, you can refer this guide: 

https://www.kapilarya.com/how-to-reset-network-in-windows-11

Let us know if this helps!

Note: Included link in this reply refers to blog post by a trusted Microsoft MVP.