I try as good as I can.
This is my log, the ending is the same as the ending of the threadstarter.
243595 [Thread-4] WARN exerelin.utilities.ExerelinConfig - Faction config ae_ixbattlegroup not found, using default
243595 [Thread-4] WARN exerelin.utilities.ExerelinConfig - Faction config ae_ixbattlegroup not found, using default
243595 [Thread-4] WARN exerelin.utilities.ExerelinConfig - Faction config ae_ixbattlegroup not found, using default
243595 [Thread-4] WARN exerelin.utilities.ExerelinConfig - Faction config ae_ixbattlegroup not found, using default
243595 [Thread-4] WARN exerelin.utilities.ExerelinConfig - Faction config ae_ixbattlegroup not found, using default
243595 [Thread-4] WARN exerelin.utilities.ExerelinConfig - Faction config ae_ixbattlegroup not found, using default
243797 [Thread-4] INFO data.scripts.campaign.KadurBlueprintStocker - Interval elapsed, calling stockKadurBlueprints method
243797 [Thread-4] INFO data.scripts.campaign.KadurBlueprintStocker - Starting stockKadurBlueprints scan
245011 [Thread-4] INFO com.fs.starfarer.api.impl.campaign.events.OfficerManagerEvent - Added admin at mairaath, 20 total available
247431 [Thread-4] INFO com.fs.starfarer.api.impl.campaign.intel.ProcurementMissionIntel - Created ProcurementMissionIntel: red_water to Ming Yue
247481 [Thread-4] WARN exerelin.utilities.ExerelinConfig - Faction config ae_ixbattlegroup not found, using default
250947 [Thread-4] INFO com.fs.starfarer.api.impl.campaign.intel.AnalyzeEntityMissionIntel - Created AnalyzeEntityMissionIntel: Derelict Ship, faction: Reparations Society
252498 [Thread-4] WARN exerelin.utilities.ExerelinConfig - Faction config ae_ixbattlegroup not found, using default
253949 [Thread-4] INFO com.fs.starfarer.api.impl.campaign.intel.ProcurementMissionIntel - Created ProcurementMissionIntel: hmi_crystal to Ilm
257497 [Thread-4] WARN exerelin.utilities.ExerelinConfig - Faction config ae_ixbattlegroup not found, using default
258015 [Thread-4] INFO com.fs.starfarer.api.impl.campaign.intel.SurveyPlanetMissionIntel - Created SurveyPlanetMissionIntel: Guaya, faction: independent
258196 [Thread-4] INFO com.fs.starfarer.api.impl.campaign.events.OfficerManagerEvent - Removed officer from limboplanet, 40 total available
258481 [Thread-4] INFO com.fs.starfarer.api.impl.campaign.fleets.EconomyFleetRouteManager - Added trade fleet route from Fuyutsuki to Glory
259814 [Thread-4] INFO exerelin.campaign.fleets.MiningFleetManagerV2 - Trying mining fleet for market Chicomoztoc
262513 [Thread-4] WARN exerelin.utilities.ExerelinConfig - Faction config ae_ixbattlegroup not found, using default
265497 [Thread-4] INFO com.fs.starfarer.api.impl.campaign.intel.SurveyPlanetMissionIntel - Created SurveyPlanetMissionIntel: Alpha Sidor VI, faction: pirates
268139 [Thread-10] INFO sound.oo0O - Creating streaming player for music with id [faction_hegemony_market_03_friendly_var01.ogg]
268139 [Thread-10] INFO sound.null - Playing music with id [faction_hegemony_market_03_friendly_var01.ogg]
335335 [Thread-4] WARN exerelin.utilities.ExerelinConfig - Faction config ae_ixbattlegroup not found, using default
335555 [Thread-8] INFO sound.oo0O - Cleaning up music with id [faction_hegemony_market_03_friendly_var01.ogg]
335729 [Thread-10] INFO sound.null - Playing music with id [Stellar_Rust.ogg]
335781 [Thread-4] INFO com.fs.starfarer.api.impl.campaign.events.OfficerManagerEvent - Added officer at agreus, 40 total available
336270 [Thread-4] INFO exerelin.campaign.DiplomacyManager - Starting diplomacy event creation
336271 [Thread-4] INFO exerelin.campaign.DiplomacyManager - Factions are: Sindrian Diktat, P.A.C.K.
336271 [Thread-4] INFO exerelin.campaign.DiplomacyManager - Dominance factor: 0.02973396
336271 [Thread-4] INFO exerelin.campaign.DiplomacyManager - Trying event: Diplomatic Blunder
336271 [Thread-4] INFO exerelin.campaign.DiplomacyManager - Transmitting event: Diplomatic Blunder
339499 [Thread-4] INFO exerelin.plugins.ExerelinModPlugin - Before game save
339499 [Thread-4] INFO com.fs.starfarer.campaign.save.CampaignGameManager - Saving to ..\\saves/save_VictorKhruul_1577892099505893896...
339499 [Thread-4] INFO com.fs.starfarer.campaign.save.CampaignGameManager - Saving stage 1
339500 [Thread-4] INFO com.fs.starfarer.campaign.save.CampaignGameManager - Saving stage 2
339500 [Thread-4] INFO com.fs.starfarer.campaign.save.CampaignGameManager - Saving stage 3
339854 [Thread-15] INFO com.fs.starfarer.campaign.save.CampaignGameManager - Saving progress: 0.0
PS:
So far I did/have these things:
Changing memory allocation to 4 or 6 GB
Setting "processMessagesWhileSavingOrLoading" to false in data/config/settings.json
Changing resolution from 1920*1080 to 1600*900
Run in compatibility mode
And only changing the resolution worked so far, I could play for a longer time without save crash. But I donĀ“t understand this, before everything worked just fine....and I really would like to play on max resolution.
PSS:
Also: do you have an hs_errXXX.pid file somewhere in the Starsector folder, or possibly in starsector-core? XXX would be a number; could be a different number of digits. If you have that, then seeing the contents of the file might help.
Also: some software can interfere with the game. Are you running MSI Afterburner? That's known to cause problems. An antivirus could conceivably cause issues as well.
---->No file, no MSI Afterburner and antivirus was never a thing before.