Tab control flickers

I am using Access 2003 and there is a bug resulting in screen flicker when the mouse is passed over unbound labels. This has been addressed before in Experts-Exchange and the solution was found in the following link:

                   http://allenbrowne.com/ser-46.html

I have gone to the link and copied the code and put it into a module. I go to the immediate window and enter
? FixAllForms(). This causes Run-time Error 2465 "Application-defined or object-defined error". Upon debugging it takes me to:

            Private Function ParentIsTabPage(ctl As Control) As Boolean
                  On Error Resume Next
                  ParentIsTabPage = (ctl.Parent.ControlType = acPage) *Debugger highlights this line.*
           End Function

1. Does anyone have any suggestions on why it is not working?
2. Access has asked for a name of the module and I named it modFlicker. After using this do I have to leave the module in as part of the program?

Thanks,
jbotts