Adobe CS3 apps refuse to register/activate: iTunes update to blame?

Readers are reporting an issue where Adobe CS3 applications refuse to register, in some cases delivering the error message that the applications have already been registered to "Mac Vegas," -- apparently an internal Adobe build/development name.

One reader writes:

"I have installed both an Adobe CS3 Design Premium and Standard on freshly imaged Macs. I have used retail pressed Adobe media as well as their disk images directly from Adobe's FTP download location. In each case, after registering the suite and supplying my serial number, Adobe Acrobat did not have our serial number information in its about window, while the rest of the application suite is properly registered. [...] We are trying to create a deployment package for the new release of Adobe CS3 Design Premium software - as part of our overall deployment planning and testing processes and we obviously we don't want to create a package with a serial number that may expire and render our copies of Acrobat & Distiller useless."

Meanwhile, we've received some indication that an iTunes update (perhaps 7.3.1) may have somehow had a breaking effect on the Adobe activation scheme.

If you are experiencing a similar issue (inability to activate Adobe CS3 apps), please let us know.

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