Error code:4 SN (Serial number) is invalid
Symptom
After clicking on "Activate Button" in OfflineTool, it will pop out error messages" SN is invalid. (Error code:4)".


Cause 
The "OffLineTool" in OfflinePack folder has been executed more than once.
Please note that the OfflinePack can be used once only.

Solution 
1. Please export a new OfflinePack and follow the Offline Activation instructions again.
2. If the issue still persists please contact us at eHelpdesk.
 
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