audio driver wont release

Every time I exit and close cubase i have to reboot my computer in order to get the audio driver to work
also how do reset my media bay to find all my sounds i have accidentally removed All media folder from the directory and cant find a way to access the top level cause its not there?

Take a look here:
https://www.steinberg.net/forums/viewtopic.php?f=286&t=159233

Thank you this corrected the problem

i have accidentally removed All media folder from the directory and cant find a way to access the top level cause its not there?
any help with this part?

Paul