What do you mean by "out of the blue it stopped"?
This tells us nothing. Are you getting a error message, or even a "Not Responding" in the title bar?
Also, what "apps" have you been installing on this Windows 8 machine?
Tell us more about this machine?
This tells us nothing. Are you getting a error message, or even a "Not Responding" in the title bar?
Also, what "apps" have you been installing on this Windows 8 machine?
Tell us more about this machine?