If you want to know how to allow chrome to access the network, you can follow the step given below:
1. Restart your PC.
2. Reboot your Modem and Router.
3. Disable Antivirus and Firewall.
4. Restore Antivirus to Previous Settings.
5. Reinstall Antivirus.
6. Run Windows Network Diagnostics.
7. Roll Back Network Drivers.
Hopefully above steps will help you to fix the issue if not you can also follow our blog to see more on allow chrome to access the network in your firewall.