I've tried restarting my PC, but that didn't work, so here is the complete content of my dtdic.log file. The first entre is from may 13, but strange, Dectalk 4.41 isn't menchoned anywhere.
05/13/18 16:36:57 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
05/17/18 22:52:25 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
05/26/18 21:30:17 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
05/31/18 17:55:47 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
05/31/18 17:56:18 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
05/31/18 18:59:51 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
05/31/18 19:01:08 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/02/18 10:19:17 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/02/18 10:20:44 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/02/18 10:23:41 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/02/18 10:26:12 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/02/18 10:27:54 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/02/18 10:28:51 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/02/18 10:33:15 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/02/18 10:33:37 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/02/18 10:37:01 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/02/18 10:39:43 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/02/18 10:41:11 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/06/18 08:05:11 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/06/18 08:32:23 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/10/18 09:23:46 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/10/18 09:24:09 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/10/18 13:34:52 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/10/18 13:42:37 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/10/18 13:42:37 : Dictionary DTALK_US.DIC not found.
06/10/18 13:42:44 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/10/18 13:42:44 : Dictionary DTALK_US.DIC not found.
06/10/18 13:44:41 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/10/18 13:44:41 : Dictionary DTALK_US.DIC not found.
06/10/18 13:44:51 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/10/18 13:44:51 : Dictionary DTALK_US.DIC not found.
06/10/18 13:45:07 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/10/18 13:45:07 : Dictionary DTALK_US.DIC not found.
06/10/18 13:46:23 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/10/18 13:46:23 : Dictionary DTALK_US.DIC not found.
06/10/18 13:46:51 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/10/18 13:48:41 : Dictionary key SOFTWARE\GW Micro, Inc.\DECtalk-OEM\4.60\US not found; using default name
06/10/18 13:56:31 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\4.60\US not found; using default name
06/10/18 13:59:12 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\4.60\US not found; using default name
06/10/18 14:04:52 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\4.60\US not found; using default name
06/10/18 20:56:19 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/11/18 11:05:25 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/11/18 11:06:04 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/11/18 11:07:47 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/11/18 11:10:43 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/11/18 21:02:33 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\4.60\US not found; using default name
06/11/18 21:11:33 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\4.60\US not found; using default name
06/11/18 21:13:13 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/11/18 21:13:51 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/11/18 21:17:16 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\4.60\US not found; using default name
06/12/18 11:01:20 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\4.60\US not found; using default name
06/12/18 11:03:04 : Dictionary key SOFTWARE\DigitalEquipmentCorporation\DECtalk\4.51\US not found; using default name
06/12/18 12:52:30 : Dictionary key SOFTWARE\DigitalEquipmentCorporation\DECtalk\4.51\US not found; using default name
06/12/18 12:56:58 : Dictionary key SOFTWARE\DigitalEquipmentCorporation\DECtalk\4.51\US not found; using default name
06/12/18 12:57:16 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\4.60\US not found; using default name
06/12/18 12:58:18 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/12/18 12:58:39 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name
06/13/18 13:02:14 : Dictionary key SOFTWARE\DECtalk Software\DECtalk\5.00\US not found; using default name