Disconnect the lock from the computer using Combi B 90 PC Software

Question

How to Disconnect the lock from the computer using Combi B 90 PC Software?

During data transmission it is not possible to end the connection between the lock and the computer by clicking on Disconnect. 

It is necessary to wait until data transmission is completed.

1. Click on Disconnect.
2. Pull the standard USB plug from the PC.
3. Pull the Mini USB plug from the input unit.