Internat.exe - You can end this process from Task Manager.
* Internat.exe runs at startup; it loads the different input locales specified by the user. The locales to be loaded are taken from the following registry key:
HKEY_USERS\.DEFAULT\Keyboard Layout\Preload Internat.exe loads the "EN" icon into the system tray, allowing the user to easily switch between locales. This icon disappears when the process is stopped, but the locales can still be changed through Control Panel.
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When you install MSN Explorer, the Loadqm.exe file is added to the Startup folder, and Loadqm.exe then starts each time you start your computer. This feature is required to enable WU AutoUpdate.
http://support.microsoft.com/default.aspx?scid=KB;EN-US;q309418 (Jan. 7, 2001)
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mspmspsv.exe - i'm not sure what this one does but i read on a few different sites that it is system critical. so it's best to leave that one alone.