The most common causes are:
Stay skeptical. Stay patched.
: Cracked software is a primary vector for macOS malware (such as Atomic Stealer cleanmymac 504 appdozedmg
If you have third-party antivirus software (other than CleanMyMac) or a firewall running, it may be blocking the installer from connecting to the verification server. The most common causes are: Stay skeptical