I think I have it now. Here is what your should do.
The latest Mac OS have broken old CS Adobe products. There is a fix for this. You have to download
and install legacy Java SE 6 runtime. Read this:
If that solves the immediate problem, you might like to upgrade to SC6, and you can find a copy that
does not cost you $1000, I found it to be nice ans stable. But CS5 was not bad either.
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