NoelCan, You seem to have a very bad attitude.

I asked 3 times for more information, so that I could help you. There is the issue that you have interchangeably used the words "installed" and "running". You have not shown me what processes are active during the supposed slowdowns. You said it was necessary and sufficient to "uninstall" Poser 8, even if it wasn't running, in order to bring your system back to normal.

If you can't provide more information you will not fix the problem.

I'll ask again.

Boot your machine.

How does it work - slow or no? Launch whatever it is you launch on a Mac and show me all running processes - the equivalent of task manager. Then run Poser 8 and do it again. Then quit Poser 8 and do it again. Then reboot and do it again. Without that data, you are just another confused  non-technical person insisting on help but paying zero attention to the information that actual technical people are asking for.

Now you say the same is happening with Poser 7. So is suddently Poser 7 a bad program?

Snow Leopard is new here too. You have no right to believe there is no bug in Snow Leopard. Yet you won't let us see anything about Snow Leopard or your system - what's running - what's using CPU?

You say it is Poser. How do I know? I have no evidence you even can find the CPU usage per process.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)