Adobe creative suite 5.5 mc serial.

[maksitis]

I have legal adobe creative suite 5.5 for mac. When i install its asks serial, which is located on dvd cover, after enter it insalls product, after installing it asks serial again, after enter it says :serial number is not valid for this product. Reinstall didn't help, OS X yosemithe.

[kglad]

Error "The serial number is not valid for this product" | Creative Suite

[maksitis]

It doesn't help. I cannot change language. And when  i am trining to register this serial adobe acc, says wrong serial too.

[kglad]

what did adobe support say?