In my effort to eradicate the quality agent and try to figure out where Creo 2.0 is getting my server registration information, I found this folder.
C:\ProgramData\PTC\QualityAgent
David Haigh
Phone: 925-424-3931
Fax: 925-423-7496
Lawrence Livermore National Lab
7000 East Ave, L-362
Livermore, CA 94550