C:\Program Files\RetroArch>retroarch_debug.exe --menu --verbose
RetroArch [INFO] :: === Build =======================================RetroArch [INFO] :: [CPUID]: Vendor: GenuineIntel
RetroArch [INFO] :: [CPUID]: Features: MMX MMXEXT SSE SSE2 SSE3 SSSE3 SSE4 SSE4.2 AES AVX
MMX MMXEXT SSE1 SSE2 SSE3 SSSE3 SSE4 SSE4.2 AVX AES Built: May  3 2016
RetroArch [INFO] :: Version: 1.3.4
RetroArch [INFO] :: Git: acd1e0b
RetroArch [INFO] :: =================================================
RetroArch [INFO] :: [CPUID]: Vendor: GenuineIntel
RetroArch [INFO] :: [CPUID]: Features: MMX MMXEXT SSE SSE2 SSE3 SSSE3 SSE4 SSE4.2 AES AVX
RetroArch [INFO] :: Config: loading config from: C:\Program Files\RetroArch\retroarch.cfg.
RetroArch [INFO] :: Environ SET_PIXEL_FORMAT: RGB565.
RetroArch [INFO] :: Version of libretro API: 1
RetroArch [INFO] :: Compiled against API: 1
RetroArch [INFO] :: Set audio input rate to: 29976.50 Hz.
RetroArch [INFO] :: Video @ fullscreen
RetroArch [INFO] :: Found GL context: wgl
RetroArch [INFO] :: Detecting screen resolution 2560x1440.
RetroArch [INFO] :: [WGL]: wglSwapInterval(0)
RetroArch [INFO] :: [GL]: Vendor: NVIDIA Corporation, Renderer: GeForce GTX 980 Ti/PCIe/SSE2.
RetroArch [INFO] :: [GL]: Version: 4.5.0 NVIDIA 365.10.
RetroArch [INFO] :: Querying GL extension: ARB_ES2_compatibility => exists
RetroArch [INFO] :: Querying GL extension: ARB_sync => exists
RetroArch [INFO] :: [GL]: Using ARB_sync to reduce latency.
RetroArch [INFO] :: Querying GL extension: ARB_texture_float => exists
RetroArch [INFO] :: Querying GL extension: EXT_texture_sRGB => exists
RetroArch [INFO] :: Querying GL extension: ARB_framebuffer_sRGB => exists
RetroArch [INFO] :: GL: Using resolution 2560x1440
RetroArch [INFO] :: [GL]: Default shader backend found: glsl.
RetroArch [INFO] :: [Shader driver]: Using GLSL shader backend.
RetroArch [INFO] :: Checking GLSL shader support ...
RetroArch [WARN] :: [GL]: Stock GLSL shaders will be used.
RetroArch [INFO] :: Found GLSL vertex shader.
RetroArch [INFO] :: Found GLSL fragment shader.
RetroArch [INFO] :: Linking GLSL program.
RetroArch [INFO] :: Found GLSL vertex shader.
RetroArch [INFO] :: Found GLSL fragment shader.
RetroArch [INFO] :: Linking GLSL program.
RetroArch [INFO] :: Found GLSL vertex shader.
RetroArch [INFO] :: Found GLSL fragment shader.
RetroArch [INFO] :: Linking GLSL program.
RetroArch [INFO] :: Found GLSL vertex shader.
RetroArch [INFO] :: Found GLSL fragment shader.
RetroArch [INFO] :: Linking GLSL program.
RetroArch [INFO] :: Found GLSL vertex shader.
RetroArch [INFO] :: Found GLSL fragment shader.
RetroArch [INFO] :: Linking GLSL program.
RetroArch [INFO] :: [GL]: Using 4 textures.
RetroArch [INFO] :: [GL]: Loaded 1 program(s).
RetroArch [INFO] :: [GL]: Using GL_RGB565 for texture uploads.
RetroArch [INFO] :: Found XInput v1.4.
RetroArch [INFO] :: Enumerating DInput joypads ...
RetroArch [INFO] :: Device #0 PID: {0207} VID:{1532}
RetroArch [INFO] :: Autodetect: 1 profiles found
RetroArch [INFO] :: Autodetect: selected configuration: C:\Program Files\RetroArch\autoconfig\Razer Orbweaver Chroma.cfg
RetroArch [INFO] :: Device #1 PID: {2060} VID:{0583}
RetroArch [INFO] :: Autodetect: 1 profiles found
RetroArch [INFO] :: Autodetect: no profiles found for USB,2-axis 8-button gamepad   (1411/8288)
RetroArch [INFO] :: Done enumerating DInput joypads ...
RetroArch [INFO] :: Found joypad driver: "dinput".
RetroArch [INFO] :: Using font rendering backend: freetype.
RetroArch [INFO] :: [CPUID]: Vendor: GenuineIntel
RetroArch [INFO] :: [CPUID]: Features: MMX MMXEXT SSE SSE2 SSE3 SSSE3 SSE4 SSE4.2 AES AVX
RetroArch [INFO] :: XAudio2: Requesting 64 ms latency, using 64 ms latency.
RetroArch [INFO] :: [CPUID]: Vendor: GenuineIntel
RetroArch [INFO] :: [CPUID]: Features: MMX MMXEXT SSE SSE2 SSE3 SSSE3 SSE4 SSE4.2 AES AVX
RetroArch [INFO] :: Found menu display driver: "menu_display_gl".
RetroArch [INFO] :: Using font rendering backend: freetype.
RetroArch [INFO] :: Using font rendering backend: freetype.
RetroArch [ERROR] :: Implementation uses threaded audio. Cannot use rewind..
RetroArch [INFO] :: SRAM will not be saved.
RetroArch [INFO] :: null: [C:\Program Files\RetroArch\content_history.lpl].
RetroArch [INFO] :: [GL]: VSync => off
RetroArch [INFO] :: [WGL]: wglSwapInterval(0)
RetroArch [ERROR] :: cannot push NULL or empty core info into the playlist.
RetroArch [INFO] :: [GL]: VSync => on
RetroArch [INFO] :: [WGL]: wglSwapInterval(1)
RetroArch [INFO] :: output_path: C:\Program Files\RetroArch\cores\nestopia_libretro.dll.zip
RetroArch [ERROR] :: Download of 'nestopia_libretro.dll.zip' failed: Write failed.
RetroArch [INFO] :: Using content: D:\Emulator\NES\Contra (USA).nes.
RetroArch [INFO] :: arg #0: retroarch
RetroArch [INFO] :: arg #1: D:\Emulator\NES\Contra (USA).nes
RetroArch [INFO] :: arg #2: -s
RetroArch [INFO] :: arg #3: C:\Program Files\RetroArch\saves
RetroArch [INFO] :: arg #4: -S
RetroArch [INFO] :: arg #5: C:\Program Files\RetroArch\states
RetroArch [INFO] :: arg #6: -c
RetroArch [INFO] :: arg #7: C:\Program Files\RetroArch\retroarch.cfg
RetroArch [INFO] :: Average monitor Hz: 59.984404 Hz. (5.919 % frame time deviation, based on 2048 last samples).
RetroArch [INFO] :: Redirecting save file to "C:\Program Files\RetroArch\saves\Contra (USA).srm".
RetroArch [INFO] :: Redirecting savestate to "C:\Program Files\RetroArch\states\Contra (USA).state".
RetroArch [INFO] :: === Build =======================================RetroArch [INFO] :: [CPUID]: Vendor: GenuineIntel
RetroArch [INFO] :: [CPUID]: Features: MMX MMXEXT SSE SSE2 SSE3 SSSE3 SSE4 SSE4.2 AES AVX
MMX MMXEXT SSE1 SSE2 SSE3 SSSE3 SSE4 SSE4.2 AVX AES Built: May  3 2016
RetroArch [INFO] :: Version: 1.3.4
RetroArch [INFO] :: Git: acd1e0b
RetroArch [INFO] :: =================================================
RetroArch [INFO] :: [CPUID]: Vendor: GenuineIntel
RetroArch [INFO] :: [CPUID]: Features: MMX MMXEXT SSE SSE2 SSE3 SSSE3 SSE4 SSE4.2 AES AVX
RetroArch [ERROR] :: RetroArch is built for dynamic libretro cores, but libretro_path is not set. Cannot continue.
RetroArch [ERROR] :: Fatal error received in: "init_libretro_sym()"
RetroArch [INFO] :: Saving config at path: "C:\Program Files\RetroArch\retroarch.cfg"
RetroArch [INFO] :: Saved new config to "C:\Program Files\RetroArch\retroarch.cfg".
RetroArch [INFO] :: Average monitor Hz: 59.984404 Hz. (5.919 % frame time deviation, based on 2048 last samples).