Last night, my hubby was on Facebook doing something and suddenly got an "official looking" dialog box that said our computer was infected and to immedicately run "Personal Antivirus"... We run McAfee for our antivirus and I just purchased Malwarebytes about 6 wks ago. mcAfee is run almost everyday - I haven't run malwarebytes as often. Anyway, I had never heard of this personal antivirus program, so I didn't want to run it. Besides it was trying to tell me I had over 100 trojans on my hard drive (even listed several by name). I knew this was impossible since that many trojans couldn't have slipped through in less than 24 hours!... I kept trying to close the box and it kept wanting me to run the program. I finally used task manager and closed it out. I closed all my programs and immediately ran Malwarebytes. It came back 'clean'. I then ran McAfee and it came back 'clean'. My question is, did I act quickly and correctly and prevented this from getting installed on my computer or could Malwarebytes and/or McAfee have missed it? How can I make sure? The computer has been acting 'normal' today Thanks in advance for your help... Cindy L cll_918@att.net