How-to: Rollback to the previous version of InterForm400
                                To revert back to an old version do the following:
                                                    - End InterForm subsystem AUTO_FORM, MAILINTER, OSCCTL, WINPRINT if active.
 - End any HA replication on the APF3812 library (if applicable).
 - Ensure there is nothing locking library APF3812.
 - End InterForm journling (APFMENU opt 12 opt 9 opt 2 & 3).
 - Rename APF3812 to APF3812XXX or something similar.
 - Rename APF3812OLD to APF3812.
 - Restart InterForm journaling.
 - Restart HA replication (if applicable).
 - Restart InterForm subsystems as required.
 
