In the earlier days of Windows 7 beta 7000, SAS was known to cause BSODs from being incompatible with Windows 7, mostly from the SASKUTIL driver
Even though a lot of users report, including me, that it no longer caused BSODs in later builds, and appears to work OK, i.e., RTM, upon further use on my RTM x64
, (do not know how it fairs on x86
) I myself will no longer be using it until they have full Windows 7 support, due to still having incompatibility issues, even under Compatibility Modes and Administrator privilege, (and causing me to have a slightly slower boot time, even without the application in Auto Start), even if it is unknown to the user on the surface.
Even though, IMO, It is one of the better free or paid Antispyware applications out there, you may decide yourself as to use it any further until it has full Windows 7 support listed.