Are you trying to use "Ctrl-C" and "Ctrl-C" or are you Right Clicking and using the drop-down menu? Perhaps you are clicking and letting go by accident. Whichever method you are using you could try the other one.
Alienware 17 R4 2017 review
These brilliant Lego posters show just what children's imaginations are capable of
Mac power user tips and hidden tricks
Comment réinitialiser votre PC, ordinateur portable ou tablette Windows ?