Standby Issues With Vista

Hi,


Just swapped over to Bitdefender from Trend Micro.


Everything runs fine except for when my computer comes out of standby mode. BitDefender stops responding and I cannot access the internet at all. Have to reboot the computer for it to work again.


Does anyone know why this might be happening?


I have Vista SP1 running on HP DC7100. Used to work fine with Trend!


Cheers.