When I started the game I probably did the options x2 x4 x8 x16
And after rebooting later you notice
DCS is cashing from a debug info using dxdiag.exe
The reason is speed x2 x4 x8 x16
The solution :
INSTALL INTEL G...... TO DISABLE X16 , OR X8 ......
IT WORKS WITH ME .... GOOD LUCK