For Vista (32 bit):
1. Open Computer.
2. Navigate to C:\Windows\System32\.
3. Scroll down and open the Macromed directory.
4. Open the Flash directory.
5. Right-click FlashUtil9b.
6. Select Run as Administrator.
7. When the UAC prompt appears, select Continue.
8. Follow the Flash Player installation wizard.
For Vista (64 bit):
1. Open Computer.
2. Navigate to C:\Windows\SysWOW64\.
3. Scroll down and open the Macromed directory.
4. Open the Flash directory.
5. Right-click FlashUtil9b.
6. Select Run as Administrator.
7. When the UAC prompt appears, select Continue.
8. Follow the Flash Player installation wizard.
Once the wizard completes, Flash Player has been properly installed and will now function properly.