No specific info about version 5.1. Please visit the main page of DirectX on Software Informer.
It helps you detect and get rid of useless junk files present on your system.
This program is a management and maintenance tool for Microsoft DirectX.
Remove DirectX errors easily without changing your operating system.
Tweaks your Windows XP/Server 2003/Vista/Server 2008, for free.
High speed bulk email direct sender program.