1.   The system has crashed.

2.   Viruses tend to be good at surviving when a computer system crashes.

3.   A greater fear is whether the system will crash when bombarded with online requests.

4.   A new computer system crashed.

5.   After the ground stopped shaking, so many people tried to use their cell phones that communication systems temporarily crashed.

6.   Alarmists warn that prison security systems could crash along with the computers.

7.   Bruce Willis called one day because his system had crashed and he had lost scripts and songs.

8.   But if just a few of the highly connected nodes are eliminated, the whole system could crash.

9.   But last Friday the computer-driven system crashed, silencing radio communications with pilots in five states for a full minute.

10.   Controllers also are concerned that the back-up may be down for occasional routine maintenance when the primary system crashes.