Hello The,
thank you for providing this question.
I am a seasoned Windows expert with almost a decade in usage and support experience and hope to resolve your problems quickly.
This usually takes some time but 20 minutes is a lot. For me its about 1 minute till the next process starts.
You can interupt the command by pressing Ctrl + c.
Try to run the command again afterwards.
If you consider your problem solved it would be very good if you marked the answer which helped you so others can find and use this thread.
If this didn't solve your problem or you need further assistance please answer in this thread and i would be happy to help.
kind regards
F. Grobusch