Try Catch - Good Practice?

Hello,

When I run my program, sometimes it throw a new exception.

Try Catch it's a good practice to solve problems?

What kind of "tricks" it can do?

For example, in some articles I see people with Try Catch and it runs perfectly on debug mode, but when run on release mode, the program don't show the MessageBox, it shows call stack.

But I tried and it shows messagebox on release mode.

Srry if I'm confused.

Regards, ADAE.