well i have tried windows defender, spyware terminator and ran a virus scan...everything ok.
@ brewby i had a look at the link you gave me and it appears that it is something to do with radial point security services that was installed by virgin pc guard which i have as my firewall and antivirus...
thanks for all the replys
Don't know whether this will help http://www.castlecops.com/pstp372446-.html
They were having the same problem with Freedom AV software and have posted the instructions on how to stop the ui... window coming up