You could have downloaded TalkingDesktop 8.06 from our software library for free. The latest version of the program is supported on PCs running Windows Vista/7/8, 32-bit. TalkingDesktop relates to System Utilities. Dum.exe is the default file name to indicate this program's installer. This program was originally created by Talking Desktop. The following versions: 8.0, 7.9 and 7.6 were the most frequently downloaded ones by the program users.
From the developer:
TalkingDesktop is a program that will allow to control your computer with your voice. You can give it orders through the microphone, and the computer will perform the action that you want. This program can be used with your actual software. For those programs, there will be no difference if you input your commands through the keyboard, or mouse, or your voice.
You may want to check out more software, such as pcAnywhere, Beyond Remote Host or CafePilot Client, which might be related to TalkingDesktop.