How to Fix “macOS cannot verify that this app is free from malware” Error

The “macOS cannot verify that this app is free from malware” error is a system security measure, indicating the app is not from the Mac app store. It occurs due to unsigned apps, developer certificate issues, and apps sourced unofficially. You can fix it by downloading from the right source, adjusting Gatekeeper settings, using the Control-Click method, disabling Gatekeeper, or reinstalling the app. Contact app support if necessary.