Applets are failing with SUNVM and passing with MSVM on Win2000-pro

URL:
http://games.iwon.com/casino/index.html
Applets 1:iwon - Slots USA

Reproduce steps for iwon - Slots USA
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1. Go to URL
2. http://games.iwon.com/casino/index.html
3. (iwon - Slots USA)
4. Log in as 'applabsuser' with password 'app123'
5. Click on Slots USA
6. Click on Play now for FREE!
7. Play game
8. Close applet window
9. Restart Applet window
10. Refresh applet window (F5)
11. Open applet in new window (CTRL N)
12. Check Java console for errors
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With SUNVM:
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Console messages of "Slots USA"
--------------------------------
License Expired: 12996
License Expired: 12996

******************************************
Please check the attachment for detailed error

with MSVM :
No Exception

Applet 2. iwon - Golf Slots:

Reproduce steps for iwon - Golf Slots
*****************************************
1. Go to URL
2. http://games.iwon.com/casino/index.html
3. (iwon - Golf Slots)
4. Log in as 'applabsuser' with password 'app123'
5. Under the 'iWon Casino' section click on 'More...'
6. Click on 'Golf Slots'
7. Click on 'Play now for FREE!'
8. Play the game
9. Close applet window
10. Restart Applet window
11. Refresh applet window (F5)
12. Open applet in new window (CTRL N)
13. Check Java console for errors
*****************************************

With SUNVM:
License Expired: 12996
Please check the attachment for detailed error

With MSVM:
No Exceptions