If youre certain that the app you want to use is from a trustworthy source, you can override your Mac security settings to open it.

To remove that flag, use Terminal with the command: sudo xattr -dr com.apple.quarantine ApplicationsAppName.app.

You hardly have to worry about viruses or malware because Apple keeps the operating software so securely locked down.

Its all well and good until you cant open apps because macOS keeps verifying them.

Often the problem starts shortly after updating to the new operating software.

Sometimes it takes half an hour or longer before the verification finishes and lets you use the app.

Not just unrecognized ones, but common apps like Xcode, Microsoft Word, and even Apples own iWork apps.

This issue doesnt affect all Catalina users, which suggests that erasing your computer and reinstalling macOS could be a solution.

The Application Dr Cleaner Can'T Be Opened Free From Malware

If you see a message that macOS cannot verify that this app is free from malware then youre dealing with Gatekeeper.

A new alert warns you the software is unverified by Apple and may contain malicious software, but you can still choose to Open it anyway.

Try each of the potential solutions below, testing your applications again after each one.

After macOS verifies an app, it should add that app to a whitelist so it doesnt need verification again.

Try removing your app entirely, then reinstalling it to see if that helps macOS mark it as verified.

If they dont provide any, drag the app to the Trash from your Applications folder.

If the app or process is unresponsive, macOS marks that with ( Not Responding.

The process quits when its safe to do so, just like when you normally quit using File Quit within the app.

Thanks to Gatekeeper and other built-in security features, you dont typically need to use third-party security or antivirus software in macOS.

Visit the developers website for each app to find uninstall instructions.

You should see red text saying Safe Boot from the top-right of the login screen.

If you use the instructions below to disable verification, your Mac is at a far greater risk of becoming infected by malware.

Of course, be sure to make a Time Machine backup of your Mac before you do this, otherwise, you will lose all your data.

Prepare for your Mac to be out-of-action for at least a day while you do it.

Fill in a new name for your drive and confirm you want to Erase it.

If so, let us know which step helped you fix the verification problem in the comments.

The instructions refer to macOS High Sierra but are still appropriate for Mojave.

Mac The Application Dr Cleaner Can'T Be Opened