I did everything you said, and it crashed after 10 minutes (I timed it). This is the longest I have been able to play in about two weeks so there may be an improvement? This is the error information that I found, not sure what any of it means!
Description
Faulting Application Path: C:\Program Files\EA Games\The Sims 4\Game\Bin\TS4_x64.exe
Problem signature
Problem Event Name: APPCRASH
Application Name: TS4_x64.exe
Application Version: 1.113.297.1020
Application Timestamp: 67cf5164
Fault Module Name: TS4_x64.exe
Fault Module Version: 1.113.297.1020
Fault Module Timestamp: 67cf5164
Exception Code: c0000005
Exception Offset: 00000000010b5c62
OS Version: 10.0.26100.2.0.0.768.101
Locale ID: 2057
Additional Information 1: 63aa
Additional Information 2: 63aa8a66d27f961833a0697df5459a88
Additional Information 3: b3fb
Additional Information 4: b3fbe4f66fb05b3c1b5fea496b007b73
Extra information about the problem
Bucket ID: c56330ba08453d4618bbd554333020fa (1782252635167924474)
Thank you so much for your help so far! If I was a millionaire, I would give you one million pounds.