laurie53: Thanks for that info. I have now got both Avast and Comodo working on Windows 7. I downloaded their latest versions, but with Commode, I downloaded the Vista 32 bit version and installed that. I had some problems with it but eventually got it working.
I ran both Avast and Comodo and found about 30+ viruses and Trojan Horses on the system, which goes to show how dangerous it is to run without any firewall or anti virus protection on your system, even for a short time.
Thanks to everyone for your help. I will tick this thread now.
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