.NET Framework 3.5

hi , i am not able to install .NET Framework 3.5 in xp it alway give this error
plssss help
Answer #1
same here
Answer #2
Hmm happened to me once. All i had to do is uninstall a previous .NET framework I had.
Just go to “Add or Remove Programs” , find a .NET Framework other than the 3.5 one and uninstall it. Then install the 3.5 one. And good luck!
Answer #3
thanks