Has your subscription worked successfully previously? Also which operating system are you using?
its the first time i am using an adobe product. i have windows 7 home basic 64 bit.
You could be facing this issue because the software is unable to contact the Adobe servers. This could be due to several reasons: The time set on your computer may be incorrect, your computer might be behind a firewall. You'll find some details in the following document. Could you go through this document and let us know if you were able to resolve the issue. http://helpx.adobe.com/x-productkb/policy-pricing/activation-deactivation-products.html#id _78979