>Hi everybody,
>
>AFAIK Alt + F4 should close the current application (or currently active form). However, I pressed it here in development and it opened HTML Help Viewer. Is it because somewhere in our application (or development environment) these hot keys were overloaded? What does Alt+F4 do for you?
>
>Thanks.

Places to look might be:

Keys assigned in the active menu. After quitting your application and returning to the development environment, a menu from the application may still be active.

on key label.

Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)