Avast internet security firewall won't turn on

[Cleanersuite]

If your avast Internet security firewall won’t turn on then try these methods to resolve the issue.
Verify that your firewall is turned on and that all settings are set up correctly. But on a regular basis, rebooting your computer will also fix this problem.
Avast should be reinstalled after checking the Windows firewall settings. If the system has any other security software enabled, check it.