There is significant debate regarding the safety of this tool.
From a malware/virus perspective: Anadius has a long-standing reputation in the Sims modding community. The source code for many of his tools is available for review. However, Windows Defender may flag the Updater as a "HackTool" or "Potential Unwanted Program." This is a false positive caused by the program injecting code into the EA App (which is exactly what a hacktool does). sims updater anadius