Hello, I bought my mother a new PC the other day which came pre-installed with McAfee security. I immediately went to download her a new copy of StartIsBack, and found that the McAfee firewall was blocking startisback.com. I was able to get through fine after switching the PC over to the standard Windows firewall, but I think it's something you should be aware of. Great piece of software by the way. My PC is not a f*cking iPad, Microsoft!