Xia, firstly I wanted to apologize for my earlier rude post. As you know there are many developers out there who overcharge for poorly written software, and offer very bad support. In my years as a tech support analyst I have seen many users suffering because of developers who don't care about their clients. Such bad developers often try to make as much money as they can as quickly as they can, before negative comments spread around. The unpolished look of your website and the mistakes on the screenshots of the software itself made me think that you were the same. The fact that you came to this forum and participated into an open discussion with your potential customers is a clear indication that you do care. I am sorry for misjudging you, and hope that you will keep on listening to the users of your programs. Just a very important pointer: When describing the benefits of your program at your website, it is best if you use the word UNDO or REVERT rather than the word PROTECT. The program cannot protect against infections or system crashes, for this purpose a user needs real-time Antivirus/antimalware/antiexecution protection that must be used in conjunction with your software. This is a very basic error that many developers of similar software do, and it can be seen as false advertizing. If you use the phrase "UNDO/REVERT crashes and malware infections" then nobody can ever accuse you of false advertizing. Also get rid of the websites that advertize your older software, this confuses your potential customers. Also the price of the full version is expensive as I mentioned before. If you price your software more competitively you will be earning more in the long run thanks to the sheer volume of customers who would prefer your software because of its good price. Don't forget that there are some freeware programs out there that do a similar job, so asking $50 for the full version is a bit too much. Last thing I wanted to say: Get yourselves the latest malware samples and keep testing your software with them, trying to find ways to beat them. If you manage to contain and fully undo all changes caused by sophisticated rootkit infections (like the TDL3/TDL4/TDSS families), then your program will become famous overnight. Some software can remove some of these rootkits, but users have reported that the rootkit's file system is still left behind. At the moment only Shadow Defender can fully undo such infections, removing both the rootkit and its file system. Some samples can be found here: http://contagiodump.blogspot.co.uk/ All the best!