Repack installers use heavy compression algorithms that sometimes trigger false positives in Windows Defender or other Antivirus software.
: Repacks exist in a legal gray area and carry inherent risks if downloaded from unofficial mirror sites. If you are looking to explore Arma 3’s deep single-player campaigns or test its arma 3 dodi repack
Real-time scanning can flag the installer's "unarc.dll" as a false positive. arma 3 dodi repack