Have you made sure the trial version you are running is the latest update?
In AE, go to the Help menu then click Update.
Try this and reboot your machine.
Are you running a Mac or Windows trial? Tell me about your system specs (RAM, processor, etc)
2 gb ram and im running vista..
And what its say of the front of the computer "intel v//v"
Aint the best computer guy
and i can open Ae.. then its just say that in the picture.. so i cant update it.
Please try this KB article's solutions, and report back on how it went for you. If you can provide details about any recent OS updates, backups, or migrations, that would help is nail down the root cause of the new rash of this error for Mac users recently: