Not a techie, but have you tried to close everything and restart your computer? That was the first thing I used to try.
I had a lot of difficulties with IE. My husband had me download Google Chrome:
https://support.google.com/chrome/answer/95346?hl=en
and I have used that without problems for a long time. I have both options in my menu; I just click on the Google chrome icon to roam the net.