I've seen this before with purchased where a license file is required to use the control in other then demo mode.

>Hi friends
>users getting following error when using an activex control (TX control)
>
>"Error message is OLE error code 0x80040112: Class is not licensed for use"
>
>i can register fine and no errors but as soon we open screen that has this control they get above error.
>
>its working fine until they installed new server(OS:Win 2003).
>yes i checked all obvious things like user permissions,OCX versions etc., but they all fine.
>
>any ideas on how to trouble shoot this one ?
>Thanks for ur help