here are two logs.
08:22:50.044 0af8 INFO C:\Program Files\Steinberg\SpectraLayers 7\Win64\SpectraLayers.dll -platform windows:nowmpointer
08:22:50.049 0af8 INFO early init done
08:22:50.052 0af8 INFO creating app...
08:22:50.061 0af8 INFO loading properties...
08:22:50.634 0af8 INFO session SpectraLayers 2020.08.07-08.22.50.043 started - embedded
08:22:50.634 0af8 INFO SpectraLayers Pro 7.0.10 Build 223 (x64 - Qt 5.15.0 - qtnamespace: SpectraLayers - qtlibinfix: SL - dynamic opengl - MSVC 1916)
08:22:50.634 0af8 INFO OS: Windows 10 Version 2004 (Kernel: 10.0.19041) (en_GB)
08:22:50.635 0af8 INFO CPU: 6 threads (AVX2)
08:22:50.635 0af8 INFO RAM: 64 GB
08:22:50.635 0af8 INFO HDD: 931 GB (437 GB free)
08:22:50.635 0af8 INFO SCR0: 3840x1200x32@59Hz (device pixel ratio: 1) (primary)
08:22:50.635 0af8 INFO SCR1: 1920x1200x32@59Hz (device pixel ratio: 1)
08:22:50.635 0af8 INFO SCR2: 1920x1200x32@59Hz (device pixel ratio: 1)
08:22:50.940 0af8 INFO creating window...
08:22:50.951 0af8 INFO loading plugins...
08:22:51.484 0af8 INFO 30 plugins loaded
08:22:51.484 0af8 INFO initializing UI...
08:22:51.538 0af8 INFO layout and graphic objects initialized
08:22:51.543 0af8 INFO setting shortcuts and properties
08:22:51.666 0af8 INFO UI initialized
08:22:51.667 0af8 INFO Ready
08:22:51.676 0af8 INFO Host: Cubase
08:22:52.050 0af8 INFO Host: Cubase
08:22:52.074 0af8 INFO Host: Cubase
08:22:52.074 0af8 INFO Host: Cubase
08:22:52.074 0af8 INFO Host: Cubase
08:22:52.074 0af8 INFO creating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:22:52.338 0af8 INFO activating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:23:02.675 0af8 INFO Show (0x3b0634)
08:23:02.855 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:02.855 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:02.856 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:02.856 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:02.856 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:02.856 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:02.856 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:02.856 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:02.864 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:02.864 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:02.864 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:02.865 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:02.865 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:02.865 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:02.874 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:02.874 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:02.874 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:02.878 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:02.878 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:02.878 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:02.879 0af8 INFO activating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:23:02.932 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:02.932 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:02.932 0af8 WARNING composeAndFlush: QOpenGLContext creation failed
08:23:02.960 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:02.960 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:02.960 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:02.988 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:02.988 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:02.988 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:03.015 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:03.015 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:03.015 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:06.357 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:06.357 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:06.357 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:06.384 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:06.384 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:06.384 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:06.394 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:06.394 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:06.394 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:06.408 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:06.408 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:06.408 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:06.423 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:06.423 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:06.423 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:08.014 0af8 INFO Hide
08:23:08.163 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:08.163 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:08.164 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:08.164 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:08.165 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:08.165 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:09.703 0af8 INFO Show (0x5c0a6e)
08:23:09.851 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:09.851 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:09.852 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:09.852 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:09.852 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:09.860 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:09.860 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:09.860 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:09.860 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:09.860 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:09.860 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:09.863 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:09.863 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:09.863 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:09.864 0af8 INFO activating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:23:09.864 0af8 INFO activating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:23:09.881 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:09.881 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:09.881 0af8 WARNING composeAndFlush: QOpenGLContext creation failed
08:23:09.904 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:09.904 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:09.904 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:09.938 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:09.938 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:09.938 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:09.975 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:09.975 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:09.975 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:11.874 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:11.874 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:11.874 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:11.906 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:11.906 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:11.906 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:11.926 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:11.926 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:11.926 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:11.940 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:11.940 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:11.940 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:13.238 0af8 INFO Hide
08:23:13.385 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:13.385 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:13.386 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:13.386 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:13.387 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:13.387 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:14.784 0af8 INFO Show (0x5d0a6e)
08:23:14.924 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:14.924 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:14.925 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:14.925 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:14.925 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:14.933 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:14.933 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:14.933 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:14.933 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:14.933 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:14.933 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:14.936 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:14.936 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:14.936 0af8 WARNING QOpenGLWidget: Failed to create context
08:23:14.936 0af8 INFO activating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:23:14.951 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:14.951 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:14.951 0af8 WARNING composeAndFlush: QOpenGLContext creation failed
08:23:14.968 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:14.968 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:14.968 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:15.000 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:15.000 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:15.000 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:15.031 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:15.031 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:15.031 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:15.353 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:15.353 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:15.353 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:15.364 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:15.364 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:15.364 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:15.376 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:15.376 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:15.376 0af8 WARNING composeAndFlush: makeCurrent() failed
08:23:17.141 0af8 INFO Hide
08:23:17.281 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:17.281 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:17.282 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:17.282 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:17.283 0af8 CRITICAL Failed to load libEGL (The specified module could not be found.)
08:23:17.283 0af8 WARNING SpectraLayers::QWindowsEGLStaticContext::create: Failed to load and resolve libEGL functions
08:23:17.552 0af8 INFO closing external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
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next - I restart cubase - I open a blank project - use sl7 - close - then open an SL6 project - and it seems to work:
08:24:34.949 2d8c INFO C:\Program Files\Steinberg\SpectraLayers 7\Win64\SpectraLayers.dll -platform windows:nowmpointer
08:24:34.954 2d8c INFO early init done
08:24:34.957 2d8c INFO creating app...
08:24:34.966 2d8c INFO loading properties...
08:24:35.633 2d8c INFO session SpectraLayers 2020.08.07-08.24.34.948 started - embedded
08:24:35.633 2d8c INFO SpectraLayers Pro 7.0.10 Build 223 (x64 - Qt 5.15.0 - qtnamespace: SpectraLayers - qtlibinfix: SL - dynamic opengl - MSVC 1916)
08:24:35.633 2d8c INFO OS: Windows 10 Version 2004 (Kernel: 10.0.19041) (en_GB)
08:24:35.633 2d8c INFO CPU: 6 threads (AVX2)
08:24:35.633 2d8c INFO RAM: 64 GB
08:24:35.634 2d8c INFO HDD: 931 GB (437 GB free)
08:24:35.634 2d8c INFO SCR0: 3840x1200x32@59Hz (device pixel ratio: 1) (primary)
08:24:35.634 2d8c INFO SCR1: 1920x1200x32@59Hz (device pixel ratio: 1)
08:24:35.634 2d8c INFO SCR2: 1920x1200x32@59Hz (device pixel ratio: 1)
08:24:35.938 2d8c INFO creating window...
08:24:35.949 2d8c INFO loading plugins...
08:24:36.462 2d8c INFO 30 plugins loaded
08:24:36.462 2d8c INFO initializing UI...
08:24:36.515 2d8c INFO layout and graphic objects initialized
08:24:36.520 2d8c INFO setting shortcuts and properties
08:24:36.639 2d8c INFO UI initialized
08:24:36.640 2d8c INFO Ready
08:24:36.650 2d8c INFO Host: Cubase
08:24:36.651 2d8c INFO Host: Cubase
08:24:36.653 2d8c INFO Host: Cubase
08:24:36.653 2d8c INFO creating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:24:37.051 2d8c INFO activating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:24:37.292 2d8c INFO Show (0x100bfa)
08:24:37.411 2d8c INFO GPU: Google Inc. / ANGLE (NVIDIA GeForce GTX 1050 Ti Direct3D11 vs_5_0 ps_5_0)
08:24:37.411 2d8c INFO OGL: OpenGL ES 3.0 (ANGLE 2.1.0.57ea533f79a7) / OpenGL ES GLSL ES 3.00 (ANGLE 2.1.0.57ea533f79a7) / OpenGL ES 3 . 0 Core
08:24:37.503 2d8c INFO activating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:24:37.636 2d8c INFO activating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:24:37.654 2d8c INFO activating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:24:51.380 2d8c INFO Hide
08:24:51.582 2d8c INFO closing external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:25:08.608 2d8c INFO Host: Cubase
08:25:08.988 2d8c INFO Host: Cubase
08:25:09.012 2d8c INFO Host: Cubase
08:25:09.012 2d8c INFO Host: Cubase
08:25:09.012 2d8c INFO Host: Cubase
08:25:09.012 2d8c INFO creating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:25:09.249 2d8c INFO activating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:25:20.742 2d8c INFO Show (0x20c92)
08:25:20.928 2d8c INFO activating external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
08:25:25.219 2d8c INFO Hide
08:25:25.606 2d8c INFO closing external project SamplingFormat(Real, 44100Hz, Audio, 1 channel(s), mapping: 100)
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I make ZERO changes to SL setting between these tests - you can obviously see the errors on the first log
(edit - and the standalone app is set to Directx)