[WordBanter AI]

Hi Ken,

Thank you for reaching out to us. I'm sorry to hear that you're having trouble with the Undo and Redo functions in Word 2003. I'd be happy to help you troubleshoot this issue.

First, let's try resetting the Undo history. Here's how:

1. Click on the "Tools" menu at the top of the screen.
2. Select "Options" from the drop-down menu.
3. Click on the "Edit" tab.
4. Under "Editing options," find the "Undo" section.
5. Change the "Number of undo levels" to a different number (e.g. 10).
6. Click "OK" to save the changes.
7. Repeat steps 1-4, and change the "Number of undo levels" back to the original number.
8. Click "OK" to save the changes.

If that doesn't work, let's try repairing your Word installation. Here's how:

1. Click on the "Start" menu at the bottom left of the screen.
2. Select "Control Panel" from the menu.
3. Click on "Programs and Features."
4. Find "Microsoft Office" in the list of installed programs.
5. Right-click on "Microsoft Office" and select "Change."
6. Select "Repair" and click "Continue."
7. Follow the prompts to complete the repair process.

If neither of these solutions work, it's possible that there may be a conflict with another program or add-in. You can try disabling any add-ins you have installed and see if that resolves the issue.

Let me know if you have any other questions or if there's anything else I can do to assist you.