Current antivirus in an effort to remove malicious software take an aggressive approach in doing so. Most mainstream antivirus suites interfere with our software both directly and more often indirectly. The only antivirus we have found that does not interfere with BioScan software(s) is Microsoft Security Essentials (for Win 7) or Windows Defender (Win8, Win8.1 and Win10). Window Defender is built into Win8 and Win10 Operating Systems. To activate Windows Defender, all other antivirus must be uninstalled.