I recently updated ue4 to 4.17.1. After installation, when i pressed editor, it is not opening. It is crashing giving the following message
Fatal error!
Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000018
nvwgf2umx.dll!0x000000001FF4AA1F
nvwgf2umx.dll!0x000000001F5F260C
nvwgf2umx.dll!0x000000001F602061
nvwgf2umx.dll!0x000000001F6095B1
nvwgf2umx.dll!0x000000001F60B844
d3d11.dll!0x000000005511D671
d3d11.dll!0x000000005511C953
d3d11.dll!0x00000000551332DB
d3d11.dll!0x0000000055147E5A
d3d11.dll!0x0000000055146F6B
d3d11.dll!0x0000000055148F75
d3d11.dll!0x000000005515102C
d3d11.dll!0x000000005512EE99
d3d11.dll!0x000000005513E128
nvapi64.dll!0x000000004D0CCBD6
nvapi64.dll!0x000000004D0CC339
nvapi64.dll!0x000000004D0A166D
UE4Editor-D3D11RHI.dll!NvAPI_D3D11_IsNvShaderExtnOpCodeSupported()
UE4Editor-D3D11RHI.dll!FD3D11DynamicRHI::InitD3DDevice() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\windows\d3d11rhi\private\windows\windowsd3d11device.cpp:1086]
UE4Editor-RHI.dll!RHIInit() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\rhi\private\dynamicrhi.cpp:182]
UE4Editor.exe!FEngineLoop::PreInit() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:1716]
UE4Editor.exe!GuardedMain() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\launch.cpp:127]
UE4Editor.exe!GuardedMainWrapper() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:134]
UE4Editor.exe!WinMain() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:210]
UE4Editor.exe!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253]
KERNEL32.DLL!0x000000005C152774
ntdll.dll!0x000000005C6E0D51
ntdll.dll!0x000000005C6E0D51
Please help me out
Thankyou