Switching to fully guarded memory allocator.
Blender 2.81 (sub 0)
Build: 29.07.2019 23:43 Windows 
argv[0] = blender
argv[1] = --debug
argv[2] = --python-expr
argv[3] = import bpy; bpy.ops.wm.sysinfo(filepath=r'C:\Users\cyber\AppData\Local\Temp\blender\debug_logs\blender_system_info.txt')
Read prefs: C:\Users\cyber\AppData\Roaming\Blender Foundation\Blender\2.81\config\userpref.blend
read file 
  Version 280 sub 39 date unknown hash unknown
Vendor: NVIDIA Corporation
Renderer: GeForce GTX 1080 Ti/PCIe/SSE2
Version: 4.5.0 NVIDIA 416.34
Warning! Dummy Version: 4.6.0 NVIDIA 416.34
Context Version: 4.5
Vendor: NVIDIA Corporation
Renderer: GeForce GTX 1080 Ti/PCIe/SSE2
Version: 4.5.0 NVIDIA 416.34
Warning! Dummy Version: 4.6.0 NVIDIA 416.34
Context Version: 4.5
found bundled python: K:\09_git\01_contribution\blender-git\build_windows_Full_x64_vc15_Debug\bin\Debug\2.81\python
Read blend: K:\Bugs_and_Features\Blender\2019_08_04_T68209_blurry_UI\Character_4-1.blend
read file K:\Bugs_and_Features\Blender\2019_08_04_T68209_blurry_UI\Character_4-1.blend
  Version 280 sub 75 date 2019-07-29 14:47 hash f6cb5f54494e
21: BLI_system_backtrace - 0x7FF61F381B60
20: ED_screen_state_toggle - 0x7FF6209D7850
19: ED_screen_restore_temp_type - 0x7FF6209D73A0
18: ED_screen_full_prevspace - 0x7FF6209D7670
17: fullscreen_back_exec - 0x7FF6209E8A40
16: wm_operator_invoke - 0x7FF61F9F9160
15: wm_operator_call_internal - 0x7FF61F9F75D0
14: WM_operator_name_call_ptr - 0x7FF61F9F1B00
13: ui_apply_but_funcs_after - 0x7FF62049D980
12: ui_handler_region_menu - 0x7FF62049C620
11: wm_handler_ui_call - 0x7FF61F9F7B40
10: wm_handlers_do_intern - 0x7FF61F9FBD20
9: wm_handlers_do - 0x7FF61F9FCD70
8: wm_event_do_handlers - 0x7FF61F9F4800
7: WM_main - 0x7FF61F9D6430
6: main - 0x7FF61EF08AE0
5: invoke_main - 0x7FF622D4CEE0
4: __scrt_common_main_seh - 0x7FF622D4CC90
3: __scrt_common_main - 0x7FF622D4CC70
2: mainCRTStartup - 0x7FF622D4CFA0
1: BaseThreadInitThunk - 0x7FF90C107960
0: RtlUserThreadStart - 0x7FF90E66A250
BLI_assert failed: K:\09_git\01_contribution\blender-git\blender\source\blender\editors\screen\screen_edit.c:1196, ED_screen_state_toggle(), at 'BKE_workspace_layout_screen_get(layout_old) != sc'
Error   : EXCEPTION_BREAKPOINT
Address : 0x00007FF622E7C535
Module  : K:\09_git\01_contribution\blender-git\build_windows_Full_x64_vc15_Debug\bin\Debug\blender.exe
Writing: C:\Users\cyber\AppData\Local\Temp\Character_4-1.crash.txt