Storyline 3: Invalid Serial Number
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If you encounter a message stating that your serial number is invalid when attempting to activate Storyline 3, see the following reasons and solutions.
The Serial Number Was Typed Incorrectly
To avoid mistyping the serial number, we recommend copying it as it appears in your product confirmation email and pasting it into the activation form.
A Serial Number for a Different Product Was Used
Also, be sure to use the proper serial number for the product(s) you purchased. If you have more than one serial number, you can tell which serial number corresponds to which product by their prefixes:
| Product | Prefix |
| Articulate Storyline 3 | SL3 |
| Articulate Storyline 2 | SL2 |
| Articulate Storyline 1 | SL1 |
| Articulate Studio '13 Professional | SP4 |
| Articulate Studio '13 Standard | SS4 |
| Articulate Presenter '13 | AP7 |
| Articulate Quizmaker '13 | QM4 |
| Articulate Engage '13 | EN3 |
| Articulate Replay | RP1 |
| Articulate Presenter '09 | AP6 |
| Articulate Quizmaker '09 | QM3 |
| Articulate Engage '09 | EN2 |
| Articulate Video Encoder '09 | VE1 |
Another User Has Already Activated the Serial Number on the Same Computer
If more than one user attempts to activate the same serial number on the same computer, you'll see an invalid serial number message. Each user is required to activate with a unique serial number.
Try Manual Activation
If you continue to receive an invalid serial number message after addressing the issues above, you may be able to activate your software by temporarily disconnecting (or disabling) your internet connection and using manual activation.