Connectix has posted Virtual PC 5.0.3, an update to the company’s PC emulation software. Version 5.0.3 includes a new version of the Virtual PC Additions, which are supported in Windows 95, 98, Me, NT 4.0, 2000, XP Home and XP Professional. Other feature additions include: password protection and security, sockets-based shared networking, advanced com port settings, cpu usage controls, long filename support for shared folders and more. A number of bug fixes have also been included.