hi plz help me for use multisim 10 i download this porogram and inestall it in my laptop but it run for one time and send this erorr no license available(Due to system clock rollback on your computer, expiring licenses cannot be checked out from this computer. (NILM6))i see this message in installation day and i dont use 30 days teeriall plz help me for use evalute
my win vista biz
tanks