Have a check. Turn media player off, and see what happens. it might help us to find teh solution out.
Click the start button > in the search bar, type "windows features" (without quotes) > Click on the resulting link "turn windows features on and off" > Get the windows features window > expand media features > uncheck windows media player > ok.
now try to open IE, ans see what happens.
This is not a permanent solution, but will help us to find the solution out.