Sometimes it is possible to inadvertently drag the toolbar off the screen. The best thing to do if this happens is to reset your registry settings back to the defaults.
All windows and toolbar settings for AB Tutor are stored in the registry under your user profile. To set these back to the defaults:
1. Launch AB Tutor as normal.
2. Select the System Menu by placing your cursor in the Application Title Bar (often the blue bar in Windows) and right-clicking. This will open up the following window: