Get me out of Wm message loop

[yogi_saw]

Hi guys i m trying to reverse an app i have dialogue box ahead which reads name and serial which we enter now when i bp on getglgitemtexta, getwindowtexta,getwindowtextw only getwindowtextw work but that too dont allow me enter fake serial. It breakr as soon as i move to registration window....now i need to break when fake serial entered and when i press register button...
Pls help me to find right bp or a way to break at WM_LBUTTONDOWN...

EDIT when i set msg breakpoint on cmd olly displays "unable to read memory of debugged process. breakpoint at FFFF0423 is deleted

[robin1044]

any link to target ?

[G3n1us]

if you use oly when error meseege is shown try this steps - pause olly with f12 then pres alt+f9 and klick to ok button in error window olly will break after call of that error window.

Best regards G3n1us

[yogi_saw]

@G3n1us by message i mean windows message wm_buttondown etc