MViewer MV103-HDVE stopped

[nasryat]

Components :
Operating System : windows xp/64
Display Divice : 6 Projector Sanyo PLC-XW1100C 1024*768 2500lumens
Vedio Card : Nvidia GeForce GTX 260
Tow MViewer MV103-HDVE

The Video card for two Dvi output signal
I was working in one well, has been changed to Dvi output signal For the same video card.
Then it did not work Mviewer (Led not green but red just)
I want a solution and an explanation of this problem, by components
thank's