Microsoft Uasp Driver by Microsoft Corporation.
This service exists in Windows 8 only.
|Windows 8 edition||without SP|
|Display name:||USB Attached SCSI (UAS) Driver|
The USB Attached SCSI (UAS) Driver service is a kernel mode driver. If the USB Attached SCSI (UAS) Driver fails to start, the error is logged. Windows 8 startup proceeds, but a message box is displayed informing you that the UASPStor service has failed to start.
1. Select your Windows 8 edition, and then click on the Download button below.
2. Save the RestoreUSBAttachedSCSIUASDriverWindows8.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer.
Note. Make sure that the
uaspstor.sys file exists in the
%WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 8 installation media.