macOS Gatekeeper blocks un-notarized apps.
Go to (or System Preferences) > Privacy & Security . Scroll down to the Security section.
Below this, macOS often provides a secondary reason, such as: the application xf-adesk2018 can-t be opened
Your only options then are:
In newer macOS versions (Ventura+), "Anywhere" may not appear. In that case, use Solution C. macOS Gatekeeper blocks un-notarized apps
macOS adds a "com.apple.quarantine" flag to downloaded files. Removing this flag tells macOS the file is safe.
This fix addresses the "permission denied" issue by manually marking the file as executable. Below this, macOS often provides a secondary reason,
Go to the > System Settings (or System Preferences). Select Privacy & Security from the sidebar.
This method explicitly tells macOS that the file is allowed to execute.
If the file is corrupted:
If macOS allows it, the application will launch. If the error persists, move on to Method 2.