I installed OS 9.2.1 with no problems, then when i restarted my computer is gave me a bus error when i tried to load the fist extension. Anyway I restarted my computer and It worked, and I thought that was the end of it. But it happens EVERY TIME I startup my computer. Sometimes i have to restart as many as 5 times before it works! Also my network browser always crashed when I open it. Over all os 9.2.1 crashes alot more than 9.1. I am really fed up with it, I cant do anything without crashing!