If you face any difficulties registering the serial number you are welcome to contact our support team directly at Contact Customer Care. You can find complete details regarding the process at Find your serial number. MercilessEnemy if you are concerned that your serial number has been revoked, or is invalid, then please attempt to register the serial number at. I reviewed the account you posted on, and case 0222145284, but I did not see Illustrator CS6, any other software titles, registered under the e-mail address/Adobe ID you used to post to this public forum. MercilessEnemy I am sorry that you have been facing difficulty reinstalling Illustrator CS6.