xamp is not getting installed in my system. what can be the possible reasons for that?

Answer 1

some additional Infos would be great.
as it is now it could be everything.
what System you try to install on?
do you get any error messages?
any other useful infos we might need to help you?

Answer 2

i'm trying to install it in win7 and it's showing that some functions of xamp may get restricted bcz of antivirus and also user account control (uac)