USBSTOR.sys download

What is USBSTOR.sys?

  • Description: WBEM Provider for IP4 Routes
  • Version: 6.1.7600.16385
  • Size (Bytes): 89088
  • Release Time: 7/13/2009 4:47:32 PM
  • Location / File Path: C:\Windows\System32\ winsxs\amd64_microsoft-windows-wmi-iproute-provider_31bf3856ad364e35_6.1.7600.16385_none_a917cbad413907b3\
  • Similar Files: rundll32.exe, d3d11.dll, igdkmd64.sys, win32k.sys, d3d11.dll, Vault.dll and usp10.dll, uiautomationcore.dll

Instructions on USBSTOR.sys HOW TO:

The USBSTOR sys is an important driver file which controls the USB Port of the computer. An error with this USBSTOR sys driver can cause BSOD issues on the computer. The faults can come up while trying to download any update pertaining to USBSTOR sys file on the Windows 8.1 Operating System.

Let's begin with few symptoms that may take place if there are system file issues on the computer.

USB Drive Connectivity Failure:

Most of the time, what happens is when on trying to connect a 32 GB USB drive into the system, the computer may simply not be able to recognize the device. The reason behind this problem may seem to be a lack of digital signature which may result with an error related to USBSTOR sys file. On the other hand, sometimes when one wants to disable the external drive and continue to use the system may face innumerable faults. There can be issues related to USB port connectivity in Windows 7 computer. One may have tried to disabled USB storage using USBStor. However, the machine may still fail to carry out the function successfully, and thus end up with a line of errors. When on restart, the system would again detect the USB drive.

There can be a situation where the MacAfee antivirus will for some reason delete the USBSTOR sys file from the Windows Vista computer. After which, every time when a pen drive or external USB drive is connected to the machine, it will suggest the user to install a required software related to the external device onto the computer. In many cases, after upgrading to Windows 10 Operating System from Windows 8.1, the computer would run into severe BSODs on it. This event would happen most of the time when certain data files were transferred to the USB drive. One will often see that when a Polar Infrared USB Interface drive is connected to the above Windows 10 laptop, the device may not show up under the 'Computer' section. Well, such faults may happen due to missing USBSTOR sys, USBstor.inf, and USBstor.pnf files on the system.

Another computer which was recently upgraded to Windows 8 OS would end up with errors too. After the upgrade, every time when a USB drive was connected to it, it would show up an annoying BSOD fault on the screen. When on looking into the Event Viewer, it would state that there was a problem precisely due to a failure of the Parallel Networking Driver services which were not running correctly. Similarly, a Windows Vista running computer too displayed a BSOD event every time the Western Digital USB drive was connected to it. The error message on the screen denoted erroneous files named as, partmgr.sys and USBSTOR sys to be causing the fault on the system.

System Showing Unnecessary Error Codes:

The computer system may sometime show up a lot of error code due to system file issues. While running a computer based upon Windows 10 Professional Operating System, one will see that the system will fail to detect the Toshiba external hard drive. An unexpected 'Error Code – 10' may show up when any device is tried to be connected to the particular machine. Next, an HP laptop running with Windows Vista Home Premium Service Pack 2 may result in errors. When the FreeAgent Xtreme external hard drive is tried to be connected to the machine, the system will all of a sudden run into BSODs. Not only this, it will also show an error code 0x0000009f on the screen.

BSODs may show up even when on clicking on Windows Explorer. The error code 0x000000c2 may appear on the syystem anytime. The machine that is running on Windows XP Professional Service Pack 3 may begin to cause a lot of faults and it will fail to perform any action on the syystem. Next, the Windows 7 laptop will most of the time, fail to run after updating the USBSTOR sys and USB.sys drivers. It will repeatedly show up error code 0x80070005 after installing the Updates. The above situation can sometimes even show up when the user brings out the computer system from Sleep Mode, and attempts to connect a USB flash drive into the computing device.

A Windows 10 laptop may fail to create a system image on the external solid state drive. The error code 0x80070079 may appear on the computer's screen when the operation fail. There may be times when the Windows based laptop may crash down and result in a BSOD fault when it tries to run media encoding applications. The error code that may appear on the screen will show an unnecessary error code 0x00000124. Well, error code issues can be removed from the system only with the help of a proper repair tool.

The Toshiba Tecra laptop running on Windows 7 Professional 64 bits Operating System will often show error code 11 and faulty messages on the system, denoting that the laptop is facing numerous issues when on trying to connect the USB San Disk Cruzer or Seagate Free Agent Go to it the system. When such faults occur on the system, sometimes it may end up with BSODs with Stop code 0x0000000A or 0x0000000d1. The issue may erupt on the system mostly during start up. The Event Viewer Log will denote USBSTOR sys or some other file to be triggering the above issues on the system. The issues are not limited to any one particular Operating System, but it can happen to take place on any version of Windows.

Errors While Performing Boot:

The computer running on Windows 8.1may sometime fail to carry out the boot process correctly. This issue could be due to an external hard drive fault. In many cases, the computer will not be able to boot a Windows 7 based system after its Solid State Drive is converted from Master Boot Record to GUID Partition Table. When on doing so, the system may freeze down and just simply stopped to respond at all. One will notice that in the situations, the system will run slower. When on looking into the issue in detail, one will find out that the faults have been occurring precisely due to a system file error. The ntbtlog.txt may display that the computer could not load several drivers while trying to carry out the boot process.

An HP Pavilion TX2500 notebook with Windows 7 Ultimate installed on it will not be able to run smooth. It will constantly freeze down at regular intervals. According to the boot log, while trying to perform a boot, the computer will fail to load numerous drivers. As a result, the boot process will get obstructed and begin to show up an error. Sometimes, this entire process will take longer than usual. One may assume that the boot is being carried out successfully, but soon an error message will pop up on the system's screen.

At times, the computer will fail to boot. The Windows 7 Service Pack 1 Operating System based machine will begin to respond in an absurd manner every time. The ntbtlog.txt will state that some of the driver files have failed to load properly during the booting process. The boot error may not be so prominently witnessed when the computer runs on Safe Mode, but otherwise it will repeatedly interrupt the system. The issue can occur on the Windows 7 Ultimate 86 bits system or even on a Windows Vista Ultimate 86 bits device as well.

Ideal Way to Resolve the Problem:

The error with USBSTOR sys drivers on Windows XP, Windows 7 or Windows 8 systems can be easily removed using a proper error fixer. So, in order to fix these problems, one needs to download USBSTOR.sys fixer on the computing systems immediately.