NOTE: You can use your computer while Disk Defragmenter is running. However, your computer operates slower and the defragmentation process restarts if the contents of the drive you are defragmenting changes.
To start the Disk Defragmenter tool, use the following steps:
- Click Start, point to Programs, point to Accessories, point to System Tools, and then click Disk Defragmenter.
- Click the drive you want to defragment, click OK, and then click Yes.
Appears to Hang at 10 PercentIn Windows 98, Disk Defragmenter typically runs an optimization process during the first 10 percent of the defragmentation process. The time that the process takes depends on the number and size of programs to be optimized. It may appear like your computer is hung. If you have previously run Disk Defragmenter without an issue and then converted to FAT32 and are now having an issue, see the following article in the Microsoft Knowledge Base:
Article ID: 186171 - Last Review: Jun 22, 2014 - Revision: 1