Hi MrTJHolden and welcome to the PCWorld Communities.

First, some housekeeping. I have changed your Discussion title to give a clearer indication of your question. For future reference, please be as descriptive as possible in both the heading of your Discussion as well as the post itself. Also, I have moved this Discussion from the Reader Input Community into the Privacy & Security Community.

Now, since you already did a System Restore, there really is no way for us to figure out what may have been the issue. Are you going to wait for a response from PCTools before attempting another installation or are you willing to give it another try?

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This is my personal Dream PC: http://forums.pcworld.com/blogs/mphenterprises/2007/12/21/my-gift-to-myself

Like mrtjholden, experinence, installing Threatfire 3.5 completly froze my computer. If the progam cannot run as it shiould, it is acadmic if the Threatfire is a Host-based Intrusion Prevention System program or not. It simply does not work. I started my computer in Safe Mode (Windowa XP SP3) and uninstalled Threatfire.

Cheers

Just adding my 2c worth... Windows Media Edition with SP3. Tried to scan twice with this program, but it hung both times. It was imposible to shut down, even doing a three fingered salute. Hard power down was the only option both times. I didn't have any problem uninstalling it. I've tried programs that were in alpha stage testing which behaved better than this program.

Threatfire... YOU'RE FIRED!

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Old Scottish Saying: A deaf man will hear the clink o’ money.