Hello,
i would recommend to install the latest version of OSXFUSE from here:
http://sourceforge.net/projects/osxfuse/files/osxfuse-2.5.6/osxfuse-2.5.6.dmg/download
Please do a restart before trying again.
Also, please check if you are running the latest version of Expan Drive, as i can see from their Change Log, they've had this issues in the past, and fixed it in one of their recent releases:
http://updates.expandrive.com/release_notes/expandrive
Let me know if this fixes the issues.
Best regards,
Adrian.