what generated that error? was it partition magic ie pointing out that error? if so maybe there is some help documentation that will tell you exactly what is going on and how to address it.
here we go, i did a search and found you your answer
Solution: Error 993 Partition contains open files. Use the operating system check utility.
To fix this error:
1. Disable any antivirus programs on your system.
2. For Windows 9x systems: Run ScanDisk.
For Windows 2000/XP systems: Run CHKDSK.
To run ScanDisk:
1. Boot the computer from a Windows Startup diskette.
2. At the A:\ prompt, type: SCANDISK
3. Once the basic scan is complete, choose to run the thorough scan as well.
To run CHKDSK:
1. Boot from your Windows 2000 or XP installation CD.
2. Select the Repair option.
3. Select the Recovery Console option.
4. If you have a Windows 2000 system, type the following at the command prompt: CHKDSK /F
If you have a Windows XP system, type the following at the command prompt: CHKDSK /P
5. Once the disk check has completed, type the following at the command prompt: CHKDSK /R
Problem Description:
Error 993 Partition contains open files. Use the operating system check utility.
Error 993
Partition contains open files
Problem Environment
PartitionMagic
PartitionMagic Pro
Drive Image
Drive Image Pro
DriveCopy
server magic