I suppose you Vista users have heard of the 2755 error code when trying to install 3CX phone system, and don't know how to fix it. Well, right now I'm encounterin it and hope one of you XP or under users can help me fix it. I'm encounterin the following error message when trying to install it: 3CX phone system setup has encountered an unexpected error when installing 3CX Phone System, this may indicate a problem with the package. the error code is 2755. is there a way to fix it? or doesn't 3CX want Vista users installing they're products?