disable the display properties using regedit in winxp prof

not using GPEDIT.MSC

Why wouldnt you want to script out a group policy change and go with the registry?

can you provide me a sample on how to make it. Thanks!

You mean using GPOs? With GPOs you can hide or prevent access to the control panel applete.

take a look on here, theres quite a few

http://www.pctools.com/guides/registry/