iTunes 7.5 weird memory dialog

A reader writes that iTunes 7.5 is refusing to launch, with a mysterious dialog: "The iTunes application could not be opened. There is not enough memory available."

This dialog sounds like something out of the old System 7 days! Obviously the user has plenty of memory; quite aside from the physical RAM you actually possess, Mac OS X's virtual memory system guarantees that every application thinks it has several gigabytes of RAM available to it.

Is anyone else seeing this problem? If so, can you fix it by, for example, removing plug-ins or anything else that Apple suggests here? Let us know.

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