Services used to block processes

[Nagglfar]

Is there any services/utilities in windows xp or any applications out there that prevent specified processes from running on your computer at any time, not necessarily startup? Like, for example.. if I never wanted to have "mspaint.exe" running on my taskmanager could I have it blocked permanently so it could never run?

 

[kimsland]

Group Policy Editor in Windows Xp Professional
And, Start-->Run-->Services.msc (for things like disable Help; Printers so forth)

 

[DelJo63]

Group Policy Editor in Windows Xp Professional
And, Start-->Run-->Services.msc (for things like disable Help; Printers so forth)

This works for Services, but if you wanted to stop Notepad.exe, this would not work
as it and a great many other programs are not services.

If the program of concern accesses the Internet, then a good firewall (Comodo, SunBelt)
would be able to stop the network access and even halt the launch of the program when properly configured.