Diskpart a concurrent second call is made before the first is complete

[jiewmeng]

I was formating a partition using diskpart

diskpart > format 

I canceled using ctrl+c as I wanted to do use the quick switch instead

diskpart > format fs=ntfs quick 

but was told of the error "a concurrent second call is made before the first is completed" how can I fix this?

[allen2]

You can't cancel it properly. You kill/stop the associated running process or you can simply reboot.