Yes, this is a bug in installshield, not in Wine (see http://bugs.winehq.org/show_bug.cgi?id=922#c37 ).
On 6/27/07, Peter swjawa@gmail.com wrote:
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.