Sometimes my hard disc LED illuminates continuously for hours, and the system is very slow. I'd like to identify the item(s) which are accessing the drive during those episodes, but I can't use Windows Resource Monitor. The Monitor opens as a transparent window, with only the frame and title bar visible, but the desktop shows through. I've tried uninstalling KB 2670838, as some authors have recommended, but the uninstall fails. Checkdisc and SFC /scannow don't report any errors. I use a Windows Classic theme. Unless there is a fix for Resource Monitor which I've overlooked, I'd be interested in an alternative application to determine what's occupying the disc when the system is slow.