Problem with old serial number and registering Hi, I'm having trouble registering an old Adobe product (CS 5.5 Design Standard) on Windows. I bought a new computer and I want to install it on it (it will be a second computer - I only use Windows). I downloaded the installation files from Adobe's website, where I have registered this product, and during installation I got a message that the serial number is incorrect (I copied it from my Adobe account). I have the following versions of installation files to download from my account: "CS5.5 Design Standard - Danish, Dutch, Finnish, French, German, Italian, Norwegian, Portuguese, Spanish, and Swedish", second one "CS5.5 Design Standard - English (Required) zip file for Windows)" and "CS5.5 Design Standard - Japanese (Required zip file for Windows)". The same error with the serial number appears with the first two versions, I haven't tried the Japanese version, but I bought the physical Adobe product in Poland, I use it in the Polish language version (interestingly, it is not included