Notes Client geting crash

Hi,when i try to open a form that is hide from the client my notes gets crash.the form is created in notes5 and now i am trying to open in ND7 or even in ND8.It shows me error in status bar C:\Documents and Settings\ppa\Local Settings\Temp\notesECBCEE~editvlp.ncf.Here ppa is machine name and i am with differnt id.It does not come with all forms.only with few forms.Any clue?