Tim,

Unhelpfully if there is a coding error contained in a form the debugger
will the highlight frm.show code line.

I usually find that its the 'initialize' event that causes this but
that wont neceesarily be the case.

Suggest you can try 'commenting out' sections of code to isolate what
causing the problem or if possible paste the code into a normal module
and run from there.

Regards

Mike beckinsale