Question: Maple 13 and the slow breakdown

I have maple 13 for Mac OS X version 10.6.2. Initially maple worked fine but suddenly it didn't seem to recognise keyboard shortcuts. Then when saving a worksheet all it did was save a blank one. Later it threw out a couple of two dimensional blue lines when using PDEplot. And recently it won't export any plots. In short maple is even wore than windows (and thats saying something).
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