Download and Repair Uaspstor.sys Issues

Last Updated: 11/26/2023
[Average Article Time to Read: 4.7 minutes]

uaspstor.sys, also known as a Microsoft Uasp Driver file, was created by Microsoft for the development of Microsoft® Windows® Operating System. SYS files fall under under the Win32 EXE (Driver) file type category.

uaspstor.sys was first developed on 08/01/2012 in the Windows 8 Operating System for Windows 8. On 07/29/2015, version 10.0.15063.0 (WinBuild.160101.0800) was released for Windows 10. uaspstor.sys is found in Windows 10, Windows 8.1, and Windows 8.

In this article, you will find detailed uaspstor.sys information, a SYS file troubleshooting guide, and a list of versions that are available for free download.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	uaspstor.sys
File Extension:	SYS file extension
Description:	Microsoft Uasp Driver
Object File Type:	Driver
File Operating System:	Windows NT 32-bit
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Developer:	Microsoft Corporation
Software Program:	Microsoft® Windows® Operating System
Legal Copyright:	© Microsoft Corporation. All rights reserved.

File Details
Character Set:	Unicode
Language Code:	Neutral
File Flags:	(none)
File Flags Mask:	0x003f
Entry Point:	0xe000
Code Size:	43520

View Other uaspstor.sys Information

File Info	Description
File Size:	58 kB
File Modification Date/Time:	2017:03:18 18:18:18+00:00
File Inode Change Date/Time:	2017:11:05 07:07:54+00:00
File Type:	Win32 EXE
MIME Type:	application/octet-stream
Warning:	Possibly corrupt Version resource
Machine Type:	Intel 386 or later, and compatibles
Time Stamp:	2072:11:02 20:47:56+00:00
PE Type:	PE32
Linker Version:	14.10
Code Size:	43520
Initialized Data Size:	6144
Uninitialized Data Size:	0
Entry Point:	0xe000
OS Version:	10.0
Image Version:	10.0
Subsystem Version:	10.0
Subsystem:	Native
File Version Number:	10.0.15063.0
Product Version Number:	10.0.15063.0
File Flags Mask:	0x003f
File Flags:	(none)
File OS:	Windows NT 32-bit
Object File Type:	Driver
File Subtype:	7
Language Code:	Neutral
Character Set:	Unicode
Company Name:	Microsoft Corporation
File Description:	Microsoft Uasp Driver
File Version:	10.0.15063.0 (WinBuild.160101.0800)
Internal Name:	Uasp Version : Min - 0, Max - 0
Legal Copyright:	© Microsoft Corporation. All rights reserved.
Original Filename:	uasp.sys
Product Name:	Microsoft® Windows® Operating System
Product Version:	10.0.15063.0

^✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

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What are uaspstor.sys Error Messages?

uaspstor.sys Blue Screen of Death (BSOD) Errors

There are a number of reasons why you could be encountering issues with uaspstor.sys. Most of the issues concerning sys files involve Blue Screen of Death (BSOD) errors. These types of uaspstor.sys errors can be cause by hardware problems, outdated firmware, corrupt drivers, or other software-related (eg. Windows update) issues. Some of these errors include:

uaspstor.sys could not be found.
uaspstor.sys failed to load.
The file uaspstor.sys is missing or corrupt.
Windows failed to start - uaspstor.sys.

A problem has been detected and Windows has been shut down to prevent damage to your computer. The problem seems to be caused by the following file: uaspstor.sys.

:( Your PC ran into a problem that it couldn't handle, and now needs to restart. You can search for the error online: [BSOD] (uaspstor.sys).

STOP 0x0000000A: IRQL NOT LESS EQUAL (uaspstor.sys) STOP 0x0000003B: SYSTEM SERVICE EXCEPTION (uaspstor.sys) STOP 0x0000007E: SYSTEM THREAD EXCEPTION NOT HANDLED (uaspstor.sys) STOP 0x0000001E: KMODE EXCEPTION NOT HANDLED (uaspstor.sys) STOP 0x00000050: PAGE FAULT IN A NONPAGED AREA (uaspstor.sys) STOP 0×0000007A: KERNEL DATA INPAGE (uaspstor.sys)

It's Critical to Resolve Blue Screen of Death Errors

In the majority of cases, you will encounter uaspstor.sys BSOD errors after you've installed new hardware, software (Windows), or performed a failed Windows Update. In other cases, software corruption caused by a malware infection can lead to uaspstor.sys Blue Screen of Death errors. Therefore, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

GEEK TIP : As a rule of thumb, it's always a good idea to create a Windows "Snapshot" backup / System Restore Point before making any hardware or software changes to your computer. That way, it's very easy to restore your system in the unfortunate event you encounter a uaspstor.sys Blue Screen of Death error after recent changes.

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How to Fix uaspstor.sys Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your uaspstor.sys issue. These troubleshooting steps are listed in the recommended order of execution.

Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
When you see the search box, type "System Restore" and press "ENTER".
In the search results, find and click System Restore.
Please enter the administrator password (if applicable / prompted).
Follow the steps in the System Restore Wizard to choose a relevant restore point.
Restore your computer to that backup image.

If the Step 1 fails to resolve the uaspstor.sys error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing uaspstor.sys file.

System File Checker is a utility included with every Windows version that allows you scan and restore corrupted system files. Use the SFC tool to fix missing or corrupt uaspstor.sys files (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
In the search box, type "cmd" but DO NOT PRESS "ENTER".
Press and hold "CTRL-Shift" on your keyboard while pressing "ENTER".
You'll be prompted with a permission dialog box.
In the box, click "YES".
You should have a black screen with a blinking cursor.
In that black screen, type "sfc /scannow" and hit "ENTER".
SFC will begin scanning for uaspstor.sys issues and any other system file problems.
Follow any on-screen commands to complete the process.

Please be aware that this scan might take a while, so please be patient while it is working.

If this Step 2 fails as well, please proceed to the Step 3 below.

sfc /scannow

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many uaspstor.sys error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

Hit the Windows Start button
In the search box, type "Update" and press "ENTER".
In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
If updates are available for download, click "Install Updates".
After the update is completed, restart your PC.

If Windows Update failed to resolve the uaspstor.sys error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your uaspstor.sys File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate uaspstor.sys file version. We maintain a comprehensive database of 100% malware-free uaspstor.sys files for every applicable version of Windows. Please follow the steps below to download and properly replace you file:

Locate your Windows operating system version in the list of below "Download uaspstor.sys Files".
Click the appropriate "Download Now" button and download your Windows file version.
Copy the file into the appropriate directory for your Windows version:

Windows 8: C:\Windows\System32\drivers\
Windows 8: C:\Windows\System32\DriverStore\FileRepository\uaspstor.inf_x86_a1181bf3ad820205\
Windows 8.1: C:\Windows\System32\drivers\
Windows 8.1: C:\Windows\System32\DriverStore\FileRepository\uaspstor.inf_x86_14ea5867f352f452\
Windows 10: C:\Windows\System32\drivers\
Show 1 more directory +

Windows 10: C:\Windows\System32\DriverStore\FileRepository\uaspstor.inf_x86_8549feabf30129e2\

Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve uaspstor.sys problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download uaspstor.sys Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying uaspstor.sys to your appropriate Windows system directory. Microsoft typically does not release Windows SYS files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing uaspstor.sys and all other SYS files for Windows. An incorrectly installed SYS file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10

File Name

Software Version

File Version

Architecture

uaspstor.sys

10.0.15063.0

10.0.15063.0 (WinBuild.160101.0800)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	Microsoft® Windows® Operating System
Software Version:	10.0.15063.0
File Version:	10.0.15063.0 (WinBuild.160101.0800)
File Size:	59288
File Date:	03/18/2017
MD5 Checksum:	4e86ee5d39dfa92800b3849989bbd7c6
SHA1 Checksum:	30679dd97e1f85d410974a1bfb54bcdd94691f17
SHA256 Checksum:	3bca6fa35df68ec2395c5896983d6c08a17662c3b79cbb721a461d1f10d24ec1
CRC32:
File Directory Location:	C:\Windows\System32\drivers\ C:\Windows\System32\DriverStore\FileRepository ...

File Version, System, and Machine Information
File Type:	Win32 EXE
Image Version:	10.0
Initialized Data Size:	6144
Linker Version:	14.10
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Native
Subsystem Version:	10.0
File Modification Date/Time:	03/18/2017

Windows 8.1

File Name

Software Version

File Version

Architecture

uaspstor.sys

6.3.9600.16384

6.3.9600.16384 (winblue_rtm.130821-1623)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8.1
Software:	Microsoft® Windows® Operating System
Software Version:	6.3.9600.16384
File Version:	6.3.9600.16384 (winblue_rtm.130821-1623)
File Size:	57696
File Date:	08/22/2013
MD5 Checksum:	0e919230a74fa541cc5c2d3f917340b7
SHA1 Checksum:	a21fb3bd233b8afd72348fa0772d5ed6e4ac7cae
SHA256 Checksum:	0c960b511c1ab67c8556604eaae994b9366f5ed90b0c4c6c44d6f88e244c4c79
CRC32:
File Directory Location:	C:\Windows\System32\drivers\ C:\Windows\System32\DriverStore\FileRepository ...

File Version, System, and Machine Information
File Type:	Win32 EXE
Image Version:	6.3
Initialized Data Size:	5632
Linker Version:	11.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Native
Subsystem Version:	6.3
File Modification Date/Time:	08/22/2013

Windows 8

File Name

Software Version

File Version

Architecture

uaspstor.sys

6.2.9200.16384

6.2.9200.16384 (win8_rtm.120725-1247)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8
Software:	Microsoft® Windows® Operating System
Software Version:	6.2.9200.16384
File Version:	6.2.9200.16384 (win8_rtm.120725-1247)
File Size:	76016
File Date:	07/26/2012
MD5 Checksum:	b3b9ddeefc3b823b3067dcadcd80014d
SHA1 Checksum:	474acf73178ae528753ea07d5a927fff85a724af
SHA256 Checksum:	ca1f7b7e79820f401112cb5568e4df3d4fe93b24ee29bdcd97dd5539fa1405dc
CRC32:
File Directory Location:	C:\Windows\System32\drivers\ C:\Windows\System32\DriverStore\FileRepository ...

File Version, System, and Machine Information
File Type:	Win32 EXE
Image Version:	6.2
Initialized Data Size:	7168
Linker Version:	10.10
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Native
Subsystem Version:	6.2
File Modification Date/Time:	07/26/2012

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Files Related to uaspstor.sys

SYS Files Related to uaspstor.sys

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
l260x86.sys	Atheros L2 Fast Ethernet Controller ndis miniport driver	Atheros L2 Fast Ethernet Controller (2.6.7.23)	29184	C:\Windows\System32\LogFiles\WMI\RtBackup\
mshidumdf.sys	Pass-through Driver for HID-UMDF Interface	Microsoft® Windows® Operating System (6.2.9200.16384)	7680	C:\Windows\System32\LogFiles\WMI\RtBackup\
usbehci.sys	EHCI eUSB Miniport Driver	Microsoft® Windows® Operating System (6.3.9600.17195)	72536	C:\Windows\Fonts\
videoprt.sys	Video Port Driver	Microsoft® Windows® Operating System (6.0.6001.18000)	126464	C:\Windows\System32\Sysprep\Panther\
HyperVideo.sys	Microsoft VMBus Video Device Miniport Driver	Microsoft® Windows® Operating System (6.3.9600.16384)	17920	C:\Windows\System32\LogFiles\WMI\RtBackup\

Other Files Related to uaspstor.sys

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
OneX_v1.xsd	XML Schema Definition	Windows 8.1	5957	C:\Windows\L2Schemas\
OneX_v1.xsd	XML Schema Definition	Windows 10	5957	C:\Windows\L2Schemas\
WWAN_profile_v1.xsd	XML Schema Definition	Windows 10	6201	C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd	XML Schema Definition	Windows 7	7504	C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd	XML Schema Definition	Windows 8.1	7548	C:\Windows\L2Schemas\

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