Two error messages:

 

Can't upgrade to version the following info window opens cannot write

 

C\:users\xxxxx\AppData\Local\chessbase\Updates\CBx15x64exe

 

Download Error: The code segment cannot be greater than or equal to 64K. errcode=C8

 

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Solution: Delete the file " CBx16x64.exe " in the directory C:users\xxxxx\AppData\Local\chessbase\Updates\.

 

Reboot your computer.

 

Start CB again and run the Update via Menu File - Activation again. That should solve the problem.