The following tips need to be done for the exe-File of the game. It’s best to do it for both the 32 bit Version (TS4.exe) as well as TS4_64.exe).
Both files can be found in the folder <Installation folder>\Game\Bin
- Turn off controlled folder Access or add the files as exceptions
- Add Sims 4 as an exception to your Antivirus/Firewall (refer to the handbook of the software you use)
- Start the game as administrator.