Webcam not working and usb unknown devices

My hp probook 4331s problems, pls refer attached file
1. webcam not detected by the computer.
2. got usb unknown devices (code 43)
1 run msinfo32, get this message
360Safe Anti Hijack Service ROOT\LEGACY_360ANTIHIJACK\0000 This device is not present, is not working properly, or does not have all its drivers installed.
Unknown Device USB\VID_0000&PID_0000\6&DC28ABB&0&4 This device is working properly.
pls help. tq