SQL Monitor Error 1060 installing monitor for the service process

SQL Monitor not working With windows XP SP3:-

With windows XP SP2:-ASPNET_WP.exe service or any other listed
services (Under service tab)- its listing as a service, but not able
to select it. All other client server apps listed and working fine.
while selecting it gives error
Error 1060 installing monitor for the service process

Regards
Shahzad