'The installer expects a custom.init file in .' Error Seen When Installing the ServiceNow ODBCIssue Sometimes when installing the ServiceNow ODBC driver on a Windows host the self-extracting installer will fail with the error 'The installer expects a custom.init file in . Press OK to quit the installation' ReleaseServiceNow ODBC driver on a Windows hostCauseThere may be components from a previous version of the ServiceNow ODBC driver still installed on the Windows host.ResolutionOpen Control Panel->Uninstall a Program (for Windows 2008/2012, or whatever the Uninstall Programs Control Panel module is called in your version of Windows). Search the list for any ServiceNow ODBC driver entries, select each one and click uninstall. When no more ServiceNow ODBC driver entries are installed you'll need to reboot the Windows host. After the reboot try to install the ServiceNow ODBC driver, ensuring you're logged in as an Administrator user or that you run the installer with the 'Run as Administrator' option in the context menu.