I installed download version of 'G Data Internet Security 2010' to my Desktop HP Compaq(already installed to my Netbook 2 Months ago and perfect/no probs) When installation complete told programme would re-start PC - it did so - BUT continuously kept re-starting PC. I am unable to access any programmes before the PC shuts down and then re-starts again. Afer 1 Hour had to turn off power supply. Tried again today - still same problem !! Any suggestions on help?