Problem with console since latest update

I have just updated MikTeX x64 to the latest version. Now the console 
application does not open nor appear in the task manager when I try to 
open it.

That console version out of the backup folder with its 
MiKTeX210600-xxx.dll files from yesterday starts without any problems 
and seems to work properly.

Is it a bug or might I have done something wrong during the update?

Ralf


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