motivebrowser.exe is an executable file that belongs to Verizon Online Motive Browser. This process is responsible for launching this program and other tasks. However, it's not an essential system's component, so you can remove if you want to. For that you should go simply uninstall Verizon Online Motive Browser.
There is a malicious motivebrowser.exe version spreading around, which is used by Trojan.Syginre. As soon as it is installed, it is used for loading main components of a virus and running a destructive payload. It is a significant part of a dangerous parasite, but it can also function on its own. If you have a malicious motivebrowser.exe file version on your computer, you must get rid of it as soon as possible. Otherwise, it will continue helping Trojan.Syginre.
For checking motivebrowser.exe, you should use RegCure Pro. If it's a fraudulent version, make sure you remove it from the system.