Free cheating software often functions as a Trojan horse. Malicious sites use download buttons that redirect users into malware loops, installing keyloggers, info-stealers, or ransomware.

Using "unlock tools" for Modern Warfare 2019 is highly risky and generally discouraged by the gaming community and developers. While links claiming to offer "free unlock all" tools are common, they almost always lead to account bans or security compromises. The Short Answer

Real software does not require you to completely disable your firewall and Windows Defender.