oracle vm virtualbox 4.3.12 setup wizard ended prematurely because of an error your system has not been modifed to install this program

I was using the Version 4.3.12.

i have downloaded it and installed it.

While installing the installation bar goes till copying files and then suddenly it appears to roll back.

Then at final VM VirtualBok 4.3.12 setup wizard ended .Prematurely because of an error.Your system has not been modified.Please install at another time.

I have tried to install it lot of time. but its same .

Help me guys

(Moved from:  Windows | Windows 7 | Install, Upgrade and Activate*| Installation Issues)*