Rated 4 out of 5 stars

Error: [Exception... "Component returned failure code: 0x804b000a (NS_ERROR_MALFORMED_URI) [nsIIOService.newURI]" nsresult: "0x804b000a (NS_ERROR_MALFORMED_URI)" location: "JS frame :: file:///***/components/WebMailNotifier.js :: anonymous :: line 504" data: no]

This review is for a previous version of the add-on (1.1.5).