if clear debug and resetting fails, see my answer to Dragan

>what he describes occurs if you have many layers of classes and large callstack on it.
>
>You doubleclick in the debugger
>- no breakpoint mark (visibly) set, breakpoint not respected
>- breakpoint mark set, breakpoint not respected
>- run-to-line (F7) fails
>
>it runs through the line.
>
>I have this on a regular base.