Hmm, you say without other plugins, yet I see:
Fetching plugins for Custom Scenery/BR-B-SBSP Congonhas Airport/plugins
Loaded: Custom Scenery/BR-B-SBSP Congonhas Airport/plugins/GroundTraffic/win_x64/GroundTraffic.xpl (Marginal.GroundTraffic.BR-B-SBSP Congonhas Airport).
Fetching plugins for Custom Scenery/ACS_Singapore_0_Airport/plugins
Loaded: Custom Scenery/ACS_Singapore_0_Airport/plugins/GroundTraffic/64/win.xpl (Marginal.GroundTraffic.ACS_Singapore_0_Airport).
Fetching plugins for Custom Scenery/LEAL-Alicante_by_Virtual_Design_XP12_v2.0/plugins
Loaded: Custom Scenery/LEAL-Alicante_by_Virtual_Design_XP12_v2.0/plugins/GroundTraffic/win_x64/GroundTraffic.xpl (Marginal.GroundTraffic.LEAL-Alicante_by_Virtual_Design_XP12_v2.0).
Fetching plugins for Custom Scenery/RJOA_hiroshima_XP12/plugins
Fetching plugins for Custom Scenery/SFD_RJCH_Airport/plugins
Loaded: Custom Scenery/SFD_RJCH_Airport/plugins/GroundTraffic/win_x64/GroundTraffic.xpl (Marginal.GroundTraffic.SFD_RJCH_Airport).
Fetching plugins for Custom Scenery/HungaryVFR-Library/plugins
[HUNGARYVFR-LIBRARY INFO]: Starting X-Plane SASL plugin v3.1.2+d19f937
[HUNGARYVFR-LIBRARY INFO]: HungaryVFR-Library | Global | StartFull
Loaded: Custom Scenery/HungaryVFR-Library/plugins/SASLFree/64/win.xpl (1-sim.com HungaryVFR-Library #6).
[HUNGARYVFR-LIBRARY INFO]: Enabling...
[HUNGARYVFR-LIBRARY INFO]: Sound output device: OpenAL Soft
[HUNGARYVFR-LIBRARY INFO]: Sound input device: Microphone (WordForum USB )
[HUNGARYVFR-LIBRARY INFO]: Initializing...
[HUNGARYVFR-LIBRARY INFO]: Path to module: Custom Scenery/HungaryVFR-Library/plugins/SASLFree/data/modules/main.lua
[HUNGARYVFR-LIBRARY INFO]: Loading module...
[HUNGARYVFR-LIBRARY INFO]: [LUA]: loading module
[HUNGARYVFR-LIBRARY INFO]: Loading cursors...
[HUNGARYVFR-LIBRARY INFO]: Module loaded
and also a bunch of errors:
0:00:44.592 D/TEX: DDS file Custom Scenery/simHeaven_X-World_America-2-regions/objects/South-America/churches/rv_chiese_123.dds declares 10 mips, provides 11 mips, we expected 11 mips
0:00:44.592 D/TEX: DDS file Custom Scenery/simHeaven_X-World_America-6-scenery/objects/landmarks/gruredyellow.dds declares 9 mips, provides 10 mips, we expected 10 mips
Last but not least, I think there is a new driver for your Nvidia card available, too.
If you could take out your sceneries calling Marginal Ground traffic and the Hungary scenery - and possibly also disable X-World scenery, just to test?