A user reports that performance on the computer running Windows XP Professional has become slow. The user is unable to run the defragmentation utility. Which of the following may be the problem?

A.
FAT32 partitions cannot be defragmented.

B.
User accounts do not have privileges to run the defragmentation utility.

C.
The defragmentation utility needs to be re-enabled.

D.
The defragmentation utility is not installed.