PUP.Optional.DriverUpdate.A is classified as a
PUP (potentially unwanted program) that may cause many computer issues such as slow performance, personal date exposed, important system files modified, high CPU usage, common used programs inoperative, poor internet connection, even unexpected system crashes.
When your DriverUpdate is corrupted by some malicious computer infection,
PUP.Optional.DriverUpdate.A is created. The longer this PUP stays in your computer, the more damages it will make. Therefore, it is recommended to remove PUP.Optional.DriverUpdate.A from the infected computer immediately.