Problems with collision after exporting to SWF

[Smirnoff]

In my game a character fires a laser from its action point. This is simply a small active 1x3 pixels in dimension that scales according to a length value toward the mouse cursor.
When the player clicks and holds the left mouse button, the length value increases until the laser overlaps an obstacle.
When it overlaps the obstacle, it will decrease the length value so the laser length will settle approximately at the distance between the character and the obstacle.

While working in MMF2, there are no problems.
However when exporting, the laser will fail to stop at an obstacle if the mouse pointer is below the character's action point. In other words, if the mouse cursor is in positive X space relative to the character, the laser will pass through the object and the length value of the laser will continue to increase.

It seems to be a collision detection issue however there are no collisions events in my game that take into account any X or Y values at all.

Has anyone else experienced this?

[Francois]

I Would need you game. Can you make it sqo that there is only the two objects involved in the collision and just the collision event (ie, get rid of everything else?)
Thanks

[Smirnoff]

I PM'd the file to you. Let me know if there's anything else I can do.

[Smirnoff]

Any progress with this? It's been rather troubling to have a broken SWF.

Thanks