I don't know this program but it seems to be commercial malware:
http://www.file.net/process/ctxfispi.exe.html
For me it seems these data-files contain some registry data converted in a special way. Besides it appears to be some kind of copy-protection. Maybe the programmers decided to not to burden the Windows-registry-database with these values because they are never changed and used for read-only purposes only. Maybe the programmers utilize an internal self-made library or a bypass not to touch the registry.
I think this program runs as a such called "service".
If you want to remove it, you should use invoke the commandline program "SC.EXE", which is located in the SYSTEM32-folder. This program can handle all available services in WinXP (be careful).
For example, if you want to remove the unnecessary NVIDIA graphic card service, enter:
Then this bloody thing will never run again.
Or to list all services into a text file, enter: