Cracked software often disables Windows Defender or includes instructions to add exceptions to your antivirus. Attackers know that many sim enthusiasts temporarily disable security to get "cracks" to work. Once defenses are down, malware can persist for months undetected.
– Version 4 of that software. Legitimate software developers release paid versions with progressive features. ILS Sim V4.full.rar
Please provide more details, and I’ll be glad to help appropriately. Cracked software often disables Windows Defender or includes