Office 2000

I run win 98 (Not SE)OS having Lotus Notes (Domino Client) and Office 2000. Whenever I try to launch any excel attachments from notes, the xcel window opens but a dispaly appears in the notes pop-up stating “Unable to locate program”.I reinstalled lotus application without any joy. I then removed Off 2000 and installed Off 97, the defect disappeard.

This happens in only a particular machine others work just fine.