Recently my friend has been attempting to help me install ubuntu studio as a dual boot with Windows 10. However, whenever I get to the partition segment comes the weird part. So I shrink the file size off of my C: drive, I have 500 GB and I shrink 50000 MB. Now I have 48.83 GB of unallocated data. I've tried formatting the max 50000 MB and I get an error message saying "There is not enough space available on the disk(s) to complete this operation." I also get this message for any amount I decide to format, I've tried 47000 MB and I've tried 25000 MB, same message. Can anyone tell me what's going on?