Norton found boot.tidserv on the family PC but cannot resolve it. I will follow instructions from here http://www.techspot.com/vb/topic58138.html I understand the purpose of these steps is to generate log files for your review. Please let me know if there is anything else I should do at this point. I have access to other PCs thats are not infected. I will download all files from here. Thanks in advance for your help!