HTC One X Not Updating

[Coldeveil]

I'm new to this site.I just got a new system update message and downloaded it on htc one x and tried installing it but whenever i try to install it, the phone restarts and shows a security message and goes to the boot screen and never updates somebody please help me with this error. my phone current version is 4.1.1 and software number 3.17.841.2 and the update available is 3.17.841.9 :'(