Office XP Does Not Work After a System Restore
- 1). Log in to Windows with an administrator account.
- 2). Click "Start," select "All Programs" and choose "Accessories." Click "System Tools" and select "System Restore."
- 3). Click the option for "Undo System Restore" and click "Next."
- 4). Click "Finish" in the confirmation window and click "Yes" in the notification that appears. Your computer will then restart and reverse the earlier restore that affected your Office XP software.
Source...