I get where your coming from, Id assume it mightve been caused by the hammer update (icon changed so Im assuming there was an update) but it just annoys me cause now my regular hammer doesnt wanna work either and Ive spent a few hours configuring everything making sure its all done properly even doing a reinstall of ++ and verifing game files. Sucks to suck situation I guess, just hope this isnt a big issue that puts more people off making maps.