If xf-adesk2018 launches but then unexpectedly quits, it may be incompatible with your macOS version. As of macOS Catalina and later, Apple dropped support for 32-bit applications. Check if the keygen is 32-bit:
: Type chmod +x (make sure there is a space after the x ). Target the Executable : the application xf-adesk2018 can-t be opened
macOS blocks it for your protection. The xf-adesk2018 file lacks any valid signature, so it triggers this block. Additionally, if the file was partially downloaded, corrupted, or quarantined by macOS, you will see the "can’t be opened" message. If xf-adesk2018 launches but then unexpectedly quits, it