Hurray, a roundabout way but I have solved my commenting problems.
After all the dead ends I solved my problem by changing over to another laptop! Gregg gave it to me for Christmas because it had a better graphics/photography program, but being the kind of a person that likes to stay in my comfort zone which takes me being shot out of a cannon to get out of it, it's been taking me a while to leave my tried and true oldey but goody behind. I was slowly getting used to this new one - slowly being the operative word - but now I have landed in the net of happiness because I can now start commenting on the blogs that I have been unable to in the last few days.
I have also changed my comment setting - full page - back to the way it was before all this started.
Thank you for all the comforting words and suggestions. They got me through a very frustrating time. You're the best!