Mechanic Q: When I turn on the A/C the engine quits.?

Driving or just sitting still, when I turn on the A/C the dngine just stops.... please advise

Mechanic Q: Whats happens wrong? When I turn the A/C on the engine just dies.?

The engine dies when I turn the A/C on. And the check engine light come on also.

Q: A/C stops the car from runnung when switched on?

the car just dies after turning the a/C on.