>1) Subclass a textbox give it any name you want.
>2) Subclass a grid and give it a columncount of 1.
>3) Subclass a form and drop the grid onto the form.
>4) Change the columncount of the grid on the form to 2.
>5) Add the custom text box to the 2nd column of the grid on the form.
>6) Delete the original text1 textbox control in column2
>7) Save the class
>8) Use Createobject() to create an instance of the new form
>9) Close the new form
>10) Try to open the new form in the class browser again and it will GPF

I can't reproduce this. Can you zip up the classlib and email it to me?