I receive the error message when using Extension Manager "this extension cannot be installed because licensing verification failed". I have checked the My Products and Services section of the Adobe web site and it shows my correct serial number for PSCS6. How can I overcome this problem so that Adobe knows I have a valid license and let me install the extension?
It is a standard 3rd party extension (Floating Adjustments Panel) by the Roberto Bigano Group and I believe comes from the Adobe Photoshop Marketplace. The install file is an Adobe Zip Format Extension Package. My hardware setup is a Mac Pro running Snow Leopard.
Sorry to hear about the issue you are having. Did you try contacting the producer (Roberto)? Also did you get it from the Adobe Exchange panel or the Adobe exchange Classic website? I think by the sounds of things it may be the panel but the error message is strange as it's a free product with no licensing restrictions. Please let me know so we can try to figure out the cause of the issues.
Jonathan Ferman | Product Manager
Thanks for the follow up. I had originally tried to install the extension directly from a .zxp file sent by the developer. For some reason my valid serial number was not being recognized by Adobe. I solved the problem by using the Adobe Exchange panel and getting the extension from the Photoshop Marketplace. All is well now.
I'm the panel developer; I'm investigating the issue even though it looks quite strange because (unless something weird has happened) the ZXP you've got is the very same that is distributed through Exchange.
Jonathan, I'll keep you updated on the topic - please do the same if you happen to understand what could fire that licensing error. (by the way the package has been built with a Comodo certificate that will expire in October, so it shouldn't be a packaging problem).