Bullguard is an efficient antivirus working as a protection tool for the systems around the globe, BullGuard keeps away all the malware, spyware Trojans, and other unwanted elements. However firewall related issues with Bullguard are very common, in order to fix the above-given error, it is advisable that the user uninstalls and then again reinstalls the antivirus if that doesn’t help one can turn on the windows firewall for any further guidance ring the technician or click here: Bullguard Support Help