Im creates jump function in my game, but im dont know how to stop program.

This is the _jump() function code:

function _jump()
y-=5
y+=5

In comment, please tell me how to do this.
Im dont want to use "flip()".
This command doesnt stops program, only frames.

Please, help me!
on my laptop Voxatron not working!

My Laptop have:
-4 GB Ram
-Lots of memory
-Intel core i7
-Intel grapics

Is this graphic card error?
This message is shows if me running Voxatron:

The application has not been started properly (oxc000007b).

Sorry for spelling and other errors, I'm from Poland.

And again, please help me.
Im really buyed this app.
19 dollars = 76 zl