To use the Microsoft .NET J# Browser Controls on Windows XP (x86) you must install:

bullet Microsoft .NET Framework 2.0
bullet J# Runtime 2.0 Second Edition

OR

For Windows Vista, Windows 7 or Windows 2008 or later users:

x
bullet J# Runtime 2.0 Second Edition

or Microsoft .NET J# Browser Controls (x64)

x
bullet J# Runtime 2.0 Second Edition