This is the log.txt produced:
Installer log.txt for X-Plane Installer 4.11r1 compiled on Aug 30 2018 16:07:12
Installer started on Thu Sep 20 22:16:33 2018
This log file is generated automatically by Laminar Research applications and contains diagnostics about your graphics hardware, installation, and any error conditions.
If you need to contact tech support or file a bug, please send us this file. NOTE: this file is rewritten every time you start ANY of your X-System applications.
Windows 6.1 (build 7601/2) Service Pack 1.0
This is a 64-bit version of Windows.
CPU type: 8664
Physical Memory (total for computer): 6331478016
Maximum Virtual Memory (for X-Plane only): 8796092891136
CPU 0: Intel(R) Core(TM) i5-2410M CPU @ 2.30GHz Speed (mhz): 2294
CPU 0: Intel(R) Core(TM) i5-2410M CPU @ 2.30GHz Speed (mhz): 2294
CPU 0: Intel(R) Core(TM) i5-2410M CPU @ 2.30GHz Speed (mhz): 2294
CPU 0: Intel(R) Core(TM) i5-2410M CPU @ 2.30GHz Speed (mhz): 2294
X-System folder:'', case sensitive=0
WGL_EXT_depth_float WGL_ARB_buffer_region WGL_ARB_extensions_string WGL_ARB_make_current_read WGL_ARB_pixel_format WGL_ARB_pbuffer WGL_EXT_extensions_string WGL_EXT_swap_control WGL_ARB_multisample WGL_ARB_pixel_format_float WGL_ARB_framebuffer_sRGB WGL_ARB_create_context WGL_EXT_pixel_format_packed_float