Guillaume,
I don't know the answer to why it works with some OS and not with others. However, you can set KeyPreview to .T. in the form and trap those keystrokes (ALt-1, etc.), setting the correct page as ActivePage. This will bypass the entire OS question.

HTH
Barbara

>Hi all,
>
>I have a pageframe with 5 tabs, in the caption of the tabs I have put a label like \<1-something , \<2-something. When I want to select the tab I push ALT-1 or ALT-2, this works fine with W95 and W98 but with WIN NT and WIN2000 he doesn't do anything.
>
>Has anybody experienced this problem ?
>
>Guillaume