Readme for SPOOSU.EXE:

SYMPTOM:   
System returns SYS3175 error in module SPOOSU.DLL during restore when using Seagate Sytos Premium for OS/2. The system doesn't lock.

CONFIGURATION:  
Any system and any backup Media using Seagate Systos Premium for OS/2 ver 2.2 or earlier.

RESOLUTION:
The problem was related to files with large Extended Attributes. A new SPOOSU.DLL is available on the IBM BBS or Web site that fixes this problem. This file replaces the existing file.