During the installation of the software you might encounter this message from your antivirus software about a malicious script. Generally this happens in some version of Norton antivirus. Norton antivirus will give options to select in the event of a malicious script:
 

Please choose Authorize this script option. You can even disable the anti virus during the installation.

Note : Norton antivirus gives such message even installing Microsoft programs like MS Outlooks and others. Please rest assured our software doesn't have any virus.