Maybe, perhaps, downloading the new patch for LL might help? You can find it at
http://support.hasbro.com/ . Choose "Roller Coaster Tycoon Loopy Landscapes" as the game, Win 95 or 98 as the platform (shouldn't matter), click Patches / Updates, and find the patch appropriate for your locale (US for most people I'd think :p)
One thing to keep in mind though: I've read that some of the trainers, etc., have problems with the patched version. I personally couldn't care less about this but I know there are a ton of other people out there who do...