How to solved Mercedes Star Diagnostic Xentry Das License Key is Corrupted

MB Star Diagnosis Software update to 2017.09 MB Star C4 SDConnect xentry software. Mercedes Star Diagnosis Software have Das license key is corrupted met by customer who order 2017.07 xentry diagnostic software. Autonumen.com sharing Mercedes Star diagnosis Xentry Das license key is corrupted solution as following.
2017.09 Mercedes Star Diagnosis Software Xentry DAS Software for MB SD Connect C4/C5

I got 07.2017 Xentry DAS Windows 7 software HDD is giving me the following massage:
winLicense
your license key is corrupted
please contact support@…
How to solved it? Any help can offer?

Best Regards
Autonumen.com Technician have been check the error, this is DAS need activation.
Autonumen.com Mercedes Benz Diagnostic Software Xentry Das license key is corrupted solution:
Xentry/DAS activation:
Step 1: Run StartKeyCenter to get ID for activation
Open “StartKeyCenter” on Desktop, to get the Autonumen.com SD connect c4 Hardware ID and App ID

Complete Licence information (Hardware ID, App ID, StartDay, ExpirationDay), then click “Generate” to get License String

Copy License String, then go to “StartKeys”, click “Enter” to read StartKey, then “Save” data

Step 2: Reactivate Xentry/DAS
Go to Local Disk C:/ ProgramData/ LicDir, the copy and paste “lic_key_2.dat”, re-name as “lic-key_2.x4711”
Xentry Your License key is corrupted 5 Mercedes Star Diagnostic Xentry Das License Key is Corrupted Solution
Setup Properties of “lic-key_2.x4711”, select Read-only
Then open Obd2tool.com XENTRY Diagnostics Openshell and close it
(NOTE: this avoids the activation code to be lost and reactivate XENTRY)
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