Here is the current list of fixes for SPF PRO 5.0 build 1137: Fixed SPF not saving settings, unless you have exited SPF prior to shutdown or reboot. Fixed a problem with "act as server" disabled SPF would still allow local ports. Fixed a problem on Windows XP that would cause the computer to blue screen if Bridging is enabled. Fixed a problem that would cause CPU usage to increase on a computer running Norton AV 2002. Fixed SPF using 100 % CPU in allow all mode when being scanned. Fixed 100% CPU usage with Windows XP with logging on and off using different user accounts. Fixed a blue screen after installing SPF and rebooting the computer on Windows NT/2000/XP. Fixed issue in SPF where local user has ability to run programs as LocalSystem on Windows NT/2000/XP systems