It was there for the asking - control - option - a opens the greyed out window and any stylus will make your signature on the window. Practice makes it easier and yes, I noticed that if you hit escape too many times, it seems to get confused so you have to shut down the window and restart again. I can hit cont-opt-a pretty quick though. Sounds like the reviewers here that were detrimental to you had not thought this through very much before their frustration level kicked in.