Error mounting /dev/sdb1 at /media/cit246/VVSRR: Command-line `mount -t "exfat" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,iocharset=utf8,namecase=0,errors=remount-ro,umask=0077" "/dev/sdb1" "/media/cit246/VVSRR"' exited with non-zero exit status 32: mount: unknown filesystem type 'exfat' How To Fix Error (Unable to access “Volume”) in Linux I had a problem mounting my 64 Giga Byte SD card with my linux systems. The systems gave me an error of "Error Mounting Exfat...". Through the command window prompt I was able to simply download a utility through sudo apt-get repository to add this capability to my ubuntu linux system, and now I am able to mount the access these extend file allocation table and access these very large data drives. or Fix this problems example : ---------------------------- Error mounting system-managed device /dev/sda1: Command-line `mount "/mnt/2ED3B8771DC4D705"' exited ...