A Major Nuisance App!! It has suddenly started constantly opening up windows EVERYTIME I start using Firefox bugging me that I am not logged in (even though I HAVE BEEN!), pushing me to install Grammarly for Windows, and their damn Icon BLOCKS your typing area in ANY comments, input area or such on every website! This app is more trouble than it is worth! I've switched to LanguageTooler GmbH No membership or login required!!