Although I have lots of free space on my Vista machine, the system doesn’t give me the option to shrink my volume by very much. Why?

A. You can shrink a disk only to the amount of space available at the end of the volume. Therefore, if you have files near the end of the disk, you won’t be able to shrink it by very much. Try using Vista’s built-in defrag utility, which should move data around and let you shrink the disk by a greater amount