imageWhen you virtualize one or more applications from Adobe's Creative Suite 4 (CS), such as Acrobat Reader or Adobe Photoshop, you may receive the following error message:

Licensing for this product has stopped working.
You cannot use this product at this time. You must repair the problem by uninstalling and then reinstalling this product or contacting your IT administrator or Adobe customer support for help.

Note This error occurs within 15 minutes after you start a virtualized instance on the x64 Application Virtualization (App-V) client.

You may also receive the following error message:

This product has encountered a problem which requires that you restart your computer before it can be launched.
If you continue to see this message after restarting your computer, please contact either your IT administrator or Adobe technical support for help, and mention the error code shown at the bottom of this screen.

This issue as well as the cause and resolution are discussed in the new App-V Knowledge Base article below:

KB979595 - Licensing error when you run an Adobe Creative Suite 4 Application on a x64 App-V client platform

J.C. Hornbeck | System Center Knowledge Engineer