ANSWER HERE
How to remove registry entries:
(If you don't know the difference between your registry, and a cash register, I don't recommend doing this)
- Click your Start button
- Click the Run button
- Type "regedit" in the box
- Click OK or press Enter/Return
- A window will come up, click HKEY_USERS on the left in the tree view.
- Click through the folders that come up. Your registry keys should be in the longest named one.
- Go to Software
- Highlight the "Graal" folder
- Right click on the Graal folder
- Click delete
As for your graal folder, go to where you installed it. (default C: \graal2001\) then delete that folder. If you clicked start menu items, go into your start menu and delete those as well as desktop shortcuts.