for internet connection sharing and the error 67, will work with the built in internet sharing app. NO other changes necessary
Delete the isext.dll string and you will no longer get error 67. Download TRE
http://www.ppcvault.com/2005/05/20/t...gistry-editor/
1) navigate to HKEY_LOCAL_MACHINE\Comm\InternetSharing
2) Delete this string: Extension - isext.dll