Repair and Download Apprepsync.dll

Last Updated: 11/25/2023
[Time to Read: ~3-5 minutes]

apprepsync.dll, also known as a AppRepSync Task file, was created by Microsoft for the development of Microsoft® Windows® Operating System. DLL files fall under under the Win32 DLL (Dynamic link library) file type category.

The first version of apprepsync.dll was released for the Windows 8 Operating System on 08/01/2012 inside Windows 8. The latest file update released for Windows 8.1 was on 10/18/2013 [file version 6.3.9600.17415 (winblue_r4.141028-1500)].

Continue reading below to discover detailed file information, DLL file troubleshooting, and free downloads of several versions of apprepsync.dll.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	apprepsync.dll
File Extension:	DLL file extension
Description:	AppRepSync Task
Object File Type:	Dynamic link library
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:	English (U.S.)
File Flags:	(none)
File Flags Mask:	0x003f
Entry Point:	0x12450
Code Size:	100864

View Other apprepsync.dll Information

File Info	Description
File Size:	112 kB
File Modification Date/Time:	2014:11:21 06:52:54+00:00
File Inode Change Date/Time:	2017:11:05 07:04:28+00:00
File Type:	Win32 DLL
MIME Type:	application/octet-stream
Machine Type:	Intel 386 or later, and compatibles
Time Stamp:	2014:10:29 01:17:15+00:00
PE Type:	PE32
Linker Version:	11.0
Code Size:	100864
Initialized Data Size:	13824
Uninitialized Data Size:	0
Entry Point:	0x12450
OS Version:	6.3
Image Version:	6.3
Subsystem Version:	6.3
Subsystem:	Windows command line
File Version Number:	6.3.9600.17415
Product Version Number:	6.3.9600.17415
File Flags Mask:	0x003f
File Flags:	(none)
File OS:	Windows NT 32-bit
Object File Type:	Dynamic link library
File Subtype:	0
Language Code:	English (U.S.)
Character Set:	Unicode
Company Name:	Microsoft Corporation
File Description:	AppRepSync Task
File Version:	6.3.9600.17415 (winblue_r4.141028-1500)
Internal Name:	AppRepSync
Legal Copyright:	© Microsoft Corporation. All rights reserved.
Original Filename:	AppRepSync.dll
Product Name:	Microsoft® Windows® Operating System
Product Version:	6.3.9600.17415

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

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What are apprepsync.dll Error Messages?

Dynamic Link Library apprepsync.dll Errors

apprepsync.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like apprepsync.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like sapisvr.exe - to follow. These files were created so that multiple programs (eg. Windows) could share the same apprepsync.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when apprepsync.dll is attempted to be loaded either when Windows is starting up, or in some cases already running. Some of the most common apprepsync.dll errors include:

Access Violation at address - apprepsync.dll.
apprepsync.dll could not be found.
Cannot find C:\Windows\System32\apprepsync.dll.
Cannot register apprepsync.dll.
Cannot start Windows. A required component is missing: apprepsync.dll. Please install Windows again.
Failed to load apprepsync.dll.
The application has failed to start because apprepsync.dll was not found.
The file apprepsync.dll is missing or corrupt.
This application failed to start because apprepsync.dll was not found. Re-installing the application may fix this problem.

Your apprepsync.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Windows), or deleted by a malware infection. Furthermore, apprepsync.dll file corruption could be caused from a power outage when loading Windows, system crash while loading apprepsync.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

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How to Fix apprepsync.dll 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 apprepsync.dll 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 apprepsync.dll error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing apprepsync.dll 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 apprepsync.dll 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 apprepsync.dll 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 apprepsync.dll 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 apprepsync.dll 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 apprepsync.dll 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 apprepsync.dll file version. We maintain a comprehensive database of 100% malware-free apprepsync.dll 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 apprepsync.dll 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\
Windows 8.1: C:\Windows\System32\

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 8.1.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve apprepsync.dll 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 apprepsync.dll Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying apprepsync.dll to your appropriate Windows system directory. Microsoft typically does not release Windows DLL 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 apprepsync.dll and all other DLL files for Windows. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 8.1

File Name

Software Version

File Version

Architecture

apprepsync.dll

6.3.9600.17415

6.3.9600.17415 (winblue_r4.141028-1500)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8.1
Software:	Microsoft® Windows® Operating System
Software Version:	6.3.9600.17415
File Version:	6.3.9600.17415 (winblue_r4.141028-1500)
File Size:	114688
File Date:	11/21/2014
MD5 Checksum:	965068a08f85052e843675a484772a68
SHA1 Checksum:	684c27935e48ce6054b9b1964c05f34b9bf945d2
SHA256 Checksum:	ffcc8b846946cdfb84bc771a782cebdbcf1fb4e22b5aea5c3a32fb4aef25b4f6
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	6.3
Initialized Data Size:	13824
Linker Version:	11.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows command line
Subsystem Version:	6.3
File Modification Date/Time:	11/21/2014

Windows 8

File Name

Software Version

File Version

Architecture

apprepsync.dll

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:	74240
File Date:	07/26/2012
MD5 Checksum:	66bcf0ef3980136c242415a4537b31e5
SHA1 Checksum:	ff9b756be0f662e303fb2ff9a36df5c2081e9d19
SHA256 Checksum:	22976589f43df0ff0fc462270bea4a115e498c97ff27e98c56447b4a9817e5f8
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	6.2
Initialized Data Size:	12800
Linker Version:	10.10
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows command line
Subsystem Version:	6.2
File Modification Date/Time:	07/26/2012

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Files Related to apprepsync.dll

DLL Files Related to apprepsync.dll

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
IMTCSKF.dll	Dynamic Link Library	Windows Vista	124928	C:\$WINDOWS.~BT\Sources\Boot\EFI\zh-TW\
NlsData0000.dll	Microsoft Neutral Natural Language Server Data and Code	Microsoft® Windows® Operating System (10.0.15063.0)	1513984	C:\WINDOWS\Tasks\
bderepair.dll	BitLocker Drive Encryption: Drive Repair Tool	Microsoft® Windows® Operating System (10.0.15063.0)	41984	C:\Windows\Panther\UnattendGC\
mscorsn.dll	Dynamic Link Library	Windows Vista	19968	C:\Windows\inf\
api-ms-win-power-setti...	ApiSet Stub DLL	Microsoft® Windows® Operating System (6.3.9600.16384)	3584	C:\Windows\System32\

Other Files Related to apprepsync.dll

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
OneX_v1.xsd	XML Schema Definition	Windows 7	5957	C:\Windows\L2Schemas\
OneX_v1.xsd	XML Schema Definition	Windows 8.1	5957	C:\Windows\L2Schemas\
WWAN_profile_v1.xsd	XML Schema Definition	Windows 8	6201	C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd	XML Schema Definition	Windows 8.1	7548	C:\Windows\L2Schemas\
WLAN_profile_v1.xsd	XML Schema Definition	Windows 7	15591	C:\Windows\L2Schemas\

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