My daughter was on the desktop sunday night , she claims the desktop background changed and it was like someone or something took over,, after spending a monday screwing with it and running a full recovery ( rediscovering long-lost passwords and reinstalling all my applicarions)I finally got it back up,. but felt the intrusion was due to me allowing our norton protection to expire.. so i went to symantec to buy the latest whiz bang protection norton "all in one" 360. Spent another day( Tuesday) to find out 360 turns off your network adapters every chance it gets, and shuts down the internet access from the desktop only. Wi fi connections work fine. I'm so f'in p'od and frustrated I'm ready to take a life....If i run my router configuration disk it reconfigures the desk top to work with the network again. Live update fails too, online support doesn't work because the adapter is disabled. Checking online through the wifi, this is a known issue...and the patch is also iffy"BAAAAAAAUUUUUUGGGGHHHH!!!".