Work at SourceForge, help us to make it a better place! We have an immediate need for a Support Technician in our San Francisco or Denver office.
Drives which doesn't have a drive letter cannot be seen in UltraDefrag's UI. They are mapped to NTFS folders, and default windows defrag can work with it.
A drive letter can be assigned to any drive, even when it is already mapped to a folder. As for me, this is not difficult to do so before use of the program.