2015.05 MB Star “DAS license expires in 1 day” Error Solution

Problem:
I am using Mercedes-Benz MB Star diagnosis SD Connect C4 mux with 2015.5V DAS hard drive. It worked great, but today it suddenly give me error
“ihre DAS-Lizenz lauft in 1 Tagen ab” (Their DAS license expires in 1 day.).
2015-5-das-error-1
Solution:
If you bought your mb star hard drive/solid drive from mbstartool.com, please open STAR Utilities program on desktop, copy and paste DAS ID to our technician. We’ll activate the DAS Xentry software for you.
2015-5-das-error-solution