Operating System: Windows 10 Home 64-bit (10.0, Build 19045) (19041.vb_release.191206-1406)
Language: English (Regional Setting: English)
System Manufacturer: Gigabyte Technology Co., Ltd.
System Model: B550 AORUS ELITE V2
Processor: AMD Ryzen 5 5600X 6-Core Processor (12 CPUs), ~3.7GHz
Memory: 16384MB RAM
Page File: 7214MB used, 12037MB available
Card name: NVIDIA GeForce RTX 3070
Display Memory: 16184 MB
Dedicated Memory: 8031 MB
Shared Memory: 8153 MB
Monitor Model: DELL P2419H
Native Mode: 1920 x 1080(p) (60.000Hz)
Output Type: HDMI
Monitor Capabilities: HDR Not Supported
As I said in the first message, I did try memtest, windows diagnostics and windows scannow (mentioned in the link you posted), so no, it’s not a ram problem
other people complaining about the same problem:
https://www.reddit.com/r/aoe4/comments/uqjuhr/hard_crash_midgame/