•Avanti cannot be installed if another instance of Avanti is running.  All instances of Avanti must be shut down before a new installation can be made.

•Avanti cannot be installed on a 32-bit Windows system.

Installing a new version replaces the previous version; running different versions side by side on one host is not supported. If Avanti reports an incompatible or interrupted process-database update, stop all Avanti processes, including service instances, before restarting the installed version.