AppLocker
AppLocker is a third-party Mac utility that helps restrict access to selected apps and files using a password or similar lock method.
What is AppLocker?
AppLocker is a utility app for macOS designed to add an extra layer of privacy by locking access to selected applications, files, or folders. People typically use it on shared Macs or in situations where they want to reduce casual access to personal content without relying only on the main macOS account password.
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Safety overview
Status: Mostly safe
This appears to be a legitimate consumer utility rather than a system component. The main risk is functional rather than malicious: if you rely on it and forget its password or remove it improperly, you may lose convenient access to its protection settings or app-specific lock configuration.
Recommendation: Keep it if you actively use it to protect access to apps or private content. If you no longer use its locking features, removing it is usually optional, but review any saved settings or protected items first so you do not accidentally disrupt your own workflow.
Common paths
/Applications/AppLocker.app
Cache paths
~/Library/Caches/com.alexandrudenk.AppLocker
Support paths
~/Library/Application Support/AppLocker
Preference paths
~/Library/Preferences/com.alexandrudenk.AppLocker.plist
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