What I can see there is no reports about this but
I think it´s the same as with antivirusprograms
that one is enough. I don´t know how realtime protection
works in Spysweeper and it can be conflicts between these.
So use one program for realtime protection and use others
for manual time to time checks.
I am using both as well as Spybot 1.3 and Ad-awareSE 1.05 using MSN 9
dial-up and Win xp SP2 home with no adverse problems and all options are
active simultaneously. But your experience may differ since this is a beta
product. Good luck, Ed