I had already tried all the solutions on that topic short of uninstalling my Firewall (a stupid thing to be forced to do at any rate these days), but still the problem is solved.
I did this:
1 - Downloaded a new version of Comodo Firewall from their website;
2 - Unplugged computers internet cable;
3 - Completely uninstalled Comodo Firewall;
4 - Restarted Computer in Safe Mode;
4 - Ran MVRegClean and then CCleaner multiple times untill all registry issues were cleaned;
5 - Restarted computer back into normal mode and ran Steam hen Arma 3;
6 - Once the game was confirmed to be working i exited the game and steam and restarted it once more;
7 - Installed Comodo Internet Security again and allowed it to fully update;
8 - Ran Steam and Arma 3 and confirmed its working.