This is the caveat of any repack, including this one. Because the installer uses custom compression algorithms and includes a crack (which modifies executable files), Windows Defender and other antivirus software will almost always flag it as a Trojan or Malware.
: R.G. Mechanics often offers "lossless" repacks where no game data (like textures or audio) is removed, only compressed. In some versions, they may remove non-English audio files to further save space. wolfenstein the new order rg mechanics
Checking files after installation to ensure no data was corrupted during the high-intensity decompression. DirectX/Redist Auto-Install: This is the caveat of any repack, including this one