Thanks for your quick reply! I have uninstalled the applications you asked me to uninstall, apart from DNA which did not uninstall properly. I accidently also pressed the next option to remove it from the programs list. I have checked that dna is not running in my processes (task manager). As for the anti-virus issue, I installed AVG since Norton became unstable (I have an active license): it would run on boot up but after maybe 5 minutes, it would just suddenly get disabled. The norton gadget on the top right of my screen starts off saying 'secure' but then just turns grey. In fact this is one of the reasons for my suspicions. Should I uninstall it or AVG?