the most recent version bundled by Marti - skrul/greasefire GitHub Wiki
re: Index update: error updating
or in browser console
[Exception... "Not enough arguments [nsIWebBrowserPersist.saveURI]" nsresult: "0x80570001 (NS_ERROR_XPC_NOT_ENOUGH_ARGS)" location: "JS frame :: jar:file:///home/mint/.mozilla/firefox/mwad0hks.default/extensions/[email protected]!/components/gfUpdaterService.js :: gfUpdaterService_startUpdate/< :: line 240" data: no] @ jar:file:///home/mint/.mozilla/firefox/mwad0hks.default/extensions/[email protected]!/components/gfUpdaterService.js:245
As pointed here: https://github.com/skrul/greasefire/issues/74#issuecomment-23485610
Use greafire from http://userscripts.org/topics/115646#posts-477889 and not the one from addons.mozilla.org.
Download here: http://sourceforge.net/projects/greasemonkey/files/