What is USBSTOR.SYS?
USBSTOR.SYS, a Windows system driver file, manages USB mass storage devices, such as flash drives and external hard drives. When you connect any USB mass storage device to your computer, this file takes over and manages the device.
What causes the usbstor.sys blue screen error?
There could be various reasons for this BSOD error; some of the common ones are listed here:
Hardware issues – If your USB storage device, external hard drive, or hardware component has any problems, you might face this issue. You need to check if the flash drive is working or not. Outdated drivers – Drivers should be up to date to keep your system up and running. If your computer has obsolete drivers, it may lead to this BSOD error. To avoid this, you must keep the device drivers up to date. Corrupt system files – If your computer’s important system files related to the USB storage devices are corrupt or missing, it may lead to this BSOD error. You need to repair the system files using Command Prompt. Virus or malware infection – If your computer is infected with a virus, it could damage important files on your computer, including this file, causing the blue screen of death error. You need to run a malware scan to fix the problem.
What can I do to fix the usbstor.sys blue screen error?
1. Run the SFC scan
If you want a more in-depth repair solution, we suggest you try Fortect, a specialized app with an extensive repository that repairs all your device’s corrupt system files.
2. Check Windows updates
3. Manually Register the USBSTOR.SYS file
4. Run Disk Cleanup
5. Run a malware scan
6. Perform a System Restore
So, these are methods that you need to follow to fix the usbstor.sys Blue screen of death error. If nothing has worked for you so far, it is advised to perform a clean installation of Windows to fix the error. If you have any questions about the BSOD error, please mention them in the comments section below.
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