Hi Joao one thing to check is if the mscalocx has change in XP do you add this control to the form in XP or in win 9.x win2k?
My computer is win2k server and the version of the control is 8.0.0.5007

>i' have Windows XP installed in my computer and when i open the form with olecontrol ("Mscal.ocx") appears on error: "OLE exception error: Exception code c0000005. OLE object may be corrupt".
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>Please help me
>
>Thank you all.