il 2 BoS Crash when i try play multiplayer

[IRRE_CaMeL_BaG]

hi actually , my game works fine (in solo) evrything is good when i play carreer mod np at all , i have do 4 or 5 mission without any problem, but when i want play multiplayer that another story. sometimes game crash in the lobby when i try pick an aircraft and spawn, i have blackscreen and i can't do anything , just restart manually. sometimes the game open pop up window Error like : ( "D3D Error failed to open texture 'grapfics\textures\common\TacticalCODES_RKKA.DDS E_INVALIDARG (0x80070057) " or " Error loading model graphic\vehicules\_su122\su122mmg Exeption_Acces_Violation " and " D3D_Error Dxbufferman11;;vb(..) E_OUTOFMEMORY (0x8007000e) " 

After this error sometimes the game freeze but i can close the game correctly, sometimes it's instant black screen , sometimes i don't know why but i the game continue to work, i can pick a plane an AF spawn, takeoff and the game freeze after 15min of flight sometimes 5 min. when im in , fps are good all is good like in solo. 

 

i have try disable all antivirus system , update my gpu driver, uninstall then re-install the game , run as administrator , no windows fullscreen optimization. 

 

i have a laptop actually with a i5 7th gen , GPu : geforce gtx 950M 4gb , Vram : 8gb 2133Mhz , and the game is install in SSD. 

 

if someone can help ?