ascertain

I have got 2 Kingston DDR 512MB RAM installed in my system, running as dual channel. I think one (or both) of them might be a bit faulty. So, what can be the best way to ascertain whether any of them is actually faulty or not. And, if any one of them is faulty, then how do I get to know the...

Every time I try to delete the folder C:\Program Files\Common Files\InstallShield\Driver I get message "Cannot delete IDriver.exe : Access denied. Make sure the disk is not full or write protected and that the file is not currently in use". a) Can some one suggest a solution to this ? b) How...