Source: The Great Interpretation of Dreams (Ibn Sirin)
Opening a lock by force in a dream indicates overcoming difficulties and achieving one's goal after hardship.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Opening a lock by force may indicate taking someone's virginity or revealing a secret by force.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Opening a lock by force is interpreted as relief after hardship.