PDF blues

I managed to download a PDF converter programme, yay, actually got the book converted and showing on screen. BUT - the accompanying edit programme is doing my head in. I keep exiting programme instead of saving/going back, don't know whether I'm coming or going. Yes, this old dog is getting too old to learn new tricks, at least not in a hurry as I'd like! On another note both happy and sorrowful day today. Happy my nephew has turned another year: sorrowful for the thousands from 9/11 who will never make another year. I can hardly believe it is 12 years ago! The world hasn't turned a lot more peaceful since either to our collective shame.