This may be because of version incompatibility issue. You might have downloaded a product version that is not compatible with the operating system of your device. For example, you may have downloaded a 32-bit version whereas the operating system on your device is 64-bit.
For further details, please see How can I identify whether my operating system is 32-bit or 64-bit?
It is because the offline activation license key is unique and for one time use only. You need to create this key once again with new installation number to register your device offline.
To know about how to generate the offline activation license key, see Registering offline.
It may be due to technical incompatibility between the features and operating system of your device. Please check the feature specific compatibility table by clicking here.
Help me to choose
Select the operating system you want to proceed with