I have tried to run Full scan many times. The scan stops/Hangs @ 41 % each time. This time I left it run for OVER 12 Hours. I have a HP Pavilion Notebook, DV7, AMD dual core processor,2.20 GHZ and 4GB Ram. I am Using W7 Home Premium SP1 64 bit system. My Version is Trend Micro antivirus , full version, 10.0.1288.MS Scandisk find no problems.