Correctly selecting Scratch disks in Peak
If you get an error about having permissions to write to a scratch disk it means you need to tell peak which folders you have permission to save to.
To select the correct folder go to peak4 --> preferences in the menu

Next click Scratch DisksÉ..
:
Next check pcm314 as the primary drive and the drive to use, then click folder.

Finally select YOUR ACCOUNT. This will be your username For example my name is acole. You can either hit choose or within your account select a particular folder, Documents for example.
Finally click on Choose and everything should work.
Good luck and have fun.