Incorrect end date for recurring task in the To Do List because not set.
Cause:
The 'Until' date was not set.
Solution:
Set the 'Until' date for the recurring task.
1) Select the 'Edit' menu and select 'Edit Recurring'. (A submenu appears.)
2) Select 'Tasks...'. (The Task Series dialog box appears.)
3) Click 'When' tab.
4) Select the 'Until' check box.
5) Type a date for the recurring task to end in the box (or click on the down arrow to select from a calendar).
6) Click 'OK'.
