I am having some issues with installation of 3CX. Whenever I try to install with the integrated Cassini webserver I get this error "The 3CX PhoneSystem Configuration failed to install." That is followed by this error:"There is a problem with this Windows Installer package. A script required for install to complete could not be run." I have searched the web for days and haven't been able to find any resolution. I have redownloaded the installation package, downloaded the installation checker, downloaded the windows install cleanup tool, and several other things. Does anyone have any idea what could be causing this.