: Because these tools are distributed via unofficial forums and "warez" sites, they are frequently bundled with trojans, miners, or ransomware. You are essentially granting administrative privileges to an unverified program.
: These tools modify deep system registry keys. An error in the script can lead to OS instability or cause the antivirus engine itself to malfunction, leaving you with no protection at all.
: For most home users, the built-in Windows security suite provides robust, high-ranking protection at no extra cost.