star4268, Go to the link below and scroll down to 48 and you'll see the "Disk Cleanup - Compress Old Files Freezes" Fix in the right column, download it and run it which should correct your problem.
Just click on the words "Disk Cleanup-Compress Old Files Freezes" not the underscored word "Undo".
"To use the Regedits: Save the REG File to your hard disk. Double click it and answer yes to the import prompt.
I have plenty of memory, but whenever I run Disk Cleanup and select the drive I want to clean, it hands for an indefinate amount of time without actually getting to the "this is how much space you can make available" screen to even let me begin deleting temporary files. Why is this? It's not because I didn't wait long enough for the program to run, i've let it run for hours...