When I try to activate I get an error that says "This Serial Number has Already Been Activated." Zachary Dubnoff January 07, 2017 01:30 Updated That's not an error. It's just letting you know how many of your activations you have used. Proceed as normal. Related articles I didn't deactivate Stat/Transfer, and now I no longer have access to my computer. Can I free up an activation somehow? How do I activate Stat/Transfer? What is the difference between a "subscription" and a "perpetual" license? Error reading dictionary - SAS dataset set dictionary was stopped because of the error (17). How to disable the "Check for Updates" for all users on a workstation. Comments 1 comment Sort by Date Votes ROMILDO L M ANDRADE March 07, 2017 17:28 I have the same problem 0 Please sign in to leave a comment.