I used Adobe 8.0, very content. Just to see if the new product offers
some features I could use, I installed the test version of Acrobat X
pro. The result was, I dont need any of the new features, I would like
to return to my old license. I entered my serial number, but the
installer answered 'Diese Seriennummer ist für dieses Produkt ungültig'.
But on the Adobe Homepage, it seems, there is no more link to my
product. The old installation and program files were deleted by the
trial version. Any ...