Missing taskbar button for form

[smercer]

Hi all

I have a problem with a form and it only happens sometimes.

the problem is that the form when opened will not always have a taskbar button, but will still open

Operating system: Windows XP
version of Office: Office XP
popup Set to: No
Modal set to: no
"Other" tab settings: All set to default settings

Of all the forms I have this is the only form doing this.

Can someone offer a solution?

Thanks in advance!!