this has been going on for quite a while, reached my reporting threshold ;)
console.error: sharemenot:
Message: [Exception... "Component returned failure code: 0x8000ffff (NS_ERROR_UNEXPECTED) [nsILoadContext.associatedWindow]" nsresult: "0x8000ffff (NS_ERROR_UNEXPECTED)" location: "JS frame :: resource://gre/modules/XPIProvider.jsm -> jar:file:///home/grin/.mozilla/firefox/grin/extensions/sharemenot@franziroesner.com.xpi!/bootstrap.js -> resource://gre/modules/commonjs/toolkit/loader.js -> resource://sharemenot-at-franziroesner-dot-com/sharemenot/lib/Browser%20Abstraction%20Layer.js :: getWindowFromChannel :: line 369" data: no]