the greasemonkey directory in the profile\gm_scripts
directory should be backed up (and isn't in version
1.4.4). If this directory is not backed up and
restored, greasemonkey complains with a strange error
message as in my blog posting at
http://www.absoblogginlutely.net/mtblogarchive/005677.php
Logged In: YES
user_id=980800
Fixed in MozBackup 1.4.5 Beta 2