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Step By Step Guide Here :
You can (Force Stop/ Clear Data/ Uninstall) to gain access if Advanced Protection is not enabled.
If Advanced Protection is enabled you can use Forgot Password or you can delete data files of AppLock Under /data/data to gain access of locked application. You can also use 3rd party applications like titanium backup to clear data, uninstall or freeze the app even when Advanced protection is turned on in the rooted devices.