If you Google: vista "Macromedia Projector has stopped working"
you get 14 articles with pretty much the same advice as this one:

Xtractor software doesn’t open in Windows Vista?

Gigajam relies on Adobe/Macromedia Director technology, which has compatibility issues with Windows Vista. When you run Gigajam Xtractor 3.8 on Windows Vista, you will see a message that informs you Macromedia Projector has stopped working, and Xtractor will not run.

To solve this, you can run Gigajam in compatibility mode:

1. Click the Start button

2. Select My Computer from the menu to see your computer's disk drives

3. Navigate to C:\Program Files\Gigajam\Xtractor (or wherever you have it installed)

4. Right-click the Xtractor application icon and select Properties from the context menu

5. In the dialog that appears, choose the Compatibility tab, switch on Run this program in compatibility mode for: checkbox and select Windows NT 4.0 (Service Pack 5) from the drop-down list

6. Click OK

Now run Gigajam Xtractor as normal either from its icon in the Start menu, or by clicking on the Gigajam G next to your exercises in your lessons. You only need to go through the above procedure the first time you run Gigajam Xtractor - thereafter you can simply run the program each time from its icon in the Start menu.