windows 7 usb 3.0 creator utility stuck at unmounting

Use the mixer knob to quickly dial in a custom monitor mix with your preferred balance of input signal and computer output. Whether you monitor through speakers, headphones, or both, the Studio 24c provides equally ideal operability with its 1/4″ headphone output, stereo line/monitor outs, and independent volume controls. All inputs and outputs feature quality converters that can operate at resolutions up to 24-bit / 192 kHz without sacrificing channel count or interface functionality. With selectable 48V phantom power and two XMAX-L solid-state mic preamps fed via XLR-1/4″ combo inputs, the Studio 24c can accommodate any source from condenser microphones and active DI boxes to electric instruments and line-level mixer outputs with clarity and natural tonality. Offering ultrahigh-resolution conversion, two pro-grade preamps, and a powerful software package for vocalists, musicians, producers, and podcasters in home studios and mobile setups, the PreSonus Studio 24c desktop 2×2 USB audio/MIDI interface blends studio-quality sonic performance, liberating portability, and refreshing ease of use. ASSISTED LISTENING AND TRANSLATION EQUIPMENT.MINIATURE OMNIDIRECTIONAL STEREO MICROPHONES.MINIATURE CARDIOID (UNIDIRECTIONAL) MICROPHONES.MUSICAL INSTRUMENT/SPECIALITY MICROPHONES.IPHONE/IPOD TOUCH/BLACKBERRY/DROID/HTC MICROPHONES.MICROPHONE POWER MODULES/BATTERY MODULES.COURT REPORTER USB INTERFACES/SOUND CARDS.COURT REPORTER LAPEL/CLIP-ON MICROPHONES.COURT REPORTER STENO WRITER MICROPHONES.COURT REPORTER MULTI-MICROPHONE SYSTEMS.

Windows 7 usb 3.0 creator utility stuck at unmounting