Prior to Comodo Free Firewall installation on Windows 10, go to Control Panel, Windows Firewall, Turn Windows Firewall on or off, for both Private and Public network settings, click Turn of Windows Firewall, click OK button at bottom of page to save. Since 'Comodo Free Firewall' does not have Antivirus, leave Windows Defender active and installed (Comodo Free Firewall did not uninstall or deacvtivate it). After install reboot (as prompted), after logging onto windows, uninstall 'GeekBuddy' (Control Panel, Programs & Features), reboot.
on Comodo Firewall (free version, 8.4), select General Tasks, Scan, wait for scan to complete (may take a while), where it displays SHOW (All Files), click the drop-down and select 'Unrecognized Files', on the right of each file displayed you will notice 'NO Action', select drop-down and choose 'Trust' if the file is by a trusted vendor like Microsoft or Intel, etc. To find out if the file is Trustworthy, right-click the file name and select 'Jump to Folder', right-click the highlighted file and select Properties, click Digital Signatures tab, select the first entry and click Details button, click View Certificate button, click Details tab, scroll down to Subject and you will be notified if it's Microsoft, Intel etc (if Microsoft & Intel for example - this is valid certificate), if valid certificate then select 'Trust' from drop-down and click on 'Apply Selected Actions' button to save, click Close button to exit. You can repeat procedure until SHOW ('Unrecognized Files') shows no files.
Comodo Free Firewall Configuration:
Defense +, HIPS, HIPS Settings, Enable HIPS (leave default setting: Safe Mode), don't change to 'Paranoid Mode'.
Defense +, Sandbox, Auto Sandbox, deselect 'Enable Auto-Sandbox'.
Defense +, Viruscope, deselect 'Monitor sandboxed applications only''.
Firewall, Firewall settings, deselect 'Do not show popup alerts'.
Firewall, Firewall settings, select 'Set alert frequency level', select 'low'.
Firewall, Firewall settings, click tickboxes 'filter loopback traffic' , 'block fragmented IP traffic', 'do protocol analysis' , 'enable anti-ARP spoofing'.
click OK (to save).