Yep, this issue bit me. There's no real fix, but to keep sshfs working you can grab the Leopard static binary: http://code.google.com/p/macfuse/wiki/MACFUSE_FS

Yep, this issue bit me. There's no real fix, but to keep sshfs working you can grab the Leopard static binary: http://code.google.com/p/macfuse/wiki/MACFUSE_FS_SSHFS http://code.google.com/p/macfuse/wiki/MACFUSE_FS_SSHFS and mount your volumes from the command line. This has happened before; I wish MacFusion weren't so fragile.