MSConfig  MSConfig (officially called System Configuration in Windows Vista, Windows 7, Windows 8 or Windows 10, and Microsoft System Configuration Utility in previous operating systems) is a system utility to troubleshoot the Microsoft Windows startup process. It can disable or re-enable software, device drivers and Windows services that run at startup, or change boot parameters. It is bundled with all versions of Microsoft Windows operating systems since Windows 98 except Windows 2000. Windows 95 and Windows 2000 users can download the utility as well, although it was not designed for them. MSConfig is often used for speeding up the Microsoft Windows startup process of the machine. According to Microsoft, MSConfig was not meant to be used as a startup management program. MSConfig is a troubleshooting tool which is used to temporarily disable or re-enable software, device drivers or Windows services that run during startup process to help the user determine the cause of a problem with Windows. Some of its functionality varies by Windows versions: