Just explain to her what she need to do:
1.Click GesWall try icon.
2.The main interface will open.
3.On the main interface ask her to search for "Isolated Applications" ,tell her to click that .
4. Then she will notice some Application whit s big green button on each one side.. called "Terminate"....
5.Tell her to terminte all the programs.
This is not a very hard thing to do.....i think it;s the most easy task that you can give to someone...
We need her to do this to see if this will fix the problem.