Process: PSIService.exe (nTitles PSIService)
from 
Stardock Forums
Stardock Forums
PSIService.exe - General Information
Name:
PSIService.exe (nTitles PSIService)
Publisher
Product:
PSIService
Default location:
%windir%\system32\PSIService.exe
PSIService.exe - Description and Recommendation
Part of the Protexis
copy protection and license management software. This will typically be
installed by other software that uses this to protect itself from being
illegally copied.
PSIService.exe - Uninstall Techniques