found this in the server event log:

 

Event Type: Error
Event Source: Application Error
Event Category: (100)
Event ID: 1000
Date:  8/16/2006
Time:  1:41:17 AM
User:  N/A
Computer: xyz123
Description:
Faulting application rds.exe, version 0.0.0.0, faulting module _rm32.dll, version 0.0.0.0, fault address 0x0000343a

never mind - I fixed it. After repairing the ARCserve databases on this server, I found the utilization back to normal.