Worms world party install - 0x80040706 object reference not set

[Peter]

When I try to install worms world party I get a message when 6%:
Unhandled Exception        [_] [X]
Error Number: 0x80040706
Description: Object reference not set

Setup will now terminate
[OK]

http://consumer.installshield.com/kb.asp?id=q110641
This site says to update InstallShield engine, but that's the solution
for windows.