Resolution switches failing

[GALLICUS]

I've run the game once, but since the second time I tried to launch it, this appears:
GfxDevice: creating device client; threaded=0
Direct3D:
Version: Direct3D 9.0c [aticfx32.dll 8.17.10.1404]
Renderer: AMD Radeon(TM) R5 Graphics
Vendor: ATI
VRAM: 1513 MB (via DXGI)
Caps: Shader=30 DepthRT=1 NativeDepth=1 NativeShadow=1 DF16=1 DF24=1 INTZ=1 RAWZ=0 NULL=1 RESZ=1 SlowINTZ=1
desktop: 1366x768 60Hz; virtual: 1366x768 at 0,0
<RI> Initializing input.

<RI> Input initialized.

d3d: creation params: flags=40 swap=1 vsync=1 w=1024 h=768 fmt=21 bbcount=1 dsformat=75 pflags=0
d3d: failed to create device [device lost]
Switching to resolution 1024x768 failed, trying lower one
d3d: creation params: flags=40 swap=1 vsync=1 w=800 h=600 fmt=21 bbcount=1 dsformat=75 pflags=0
d3d: failed to create device [device lost]
Switching to resolution 800x600 failed, trying lower one
d3d: creation params: flags=40 swap=1 vsync=1 w=640 h=480 fmt=21 bbcount=1 dsformat=75 pflags=0
d3d: failed to create device [device lost]
Switching to resolution 640x480 failed, trying lower one
d3d: creation params: flags=40 swap=1 vsync=1 w=640 h=480 fmt=21 bbcount=1 dsformat=75 pflags=0
d3d: failed to create device [device lost]
Switching to resolution 640x480 failed, trying lower one
All resolution switches have failed
Screen: could not switch resolution (1024x768 fs=1 hz=0)

[索罗]

Try to verify integrity of game cache.