84,488,480 programs installed

Should I remove QNAP Qsync?

What percent of users and experts removed it?
7% remove it93% keep it
Overall Sentiment
Very good
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #19,244
United States Rank #30,122
Reach 0.0117%


VersionDistribution 15.15% 20.35% 2.16% 2.16% 8.66% 6.06% 7.36% 8.66% 0.43% 7.79% 0.43% 15.15% 4.76% 0.87%

QNAP Qsync

What is QNAP Qsync?  (from QNAP Systems)

Qsync is a useful tool to synchronize files in multiple computers. It creates a specific “Qsync folder” in your devices that you can simply drop files in, and synchronizes the files to all your devices linked to the Turbo NAS.


QNAP Qsync is a software program developed by QNAP Systems. The most common release is, with over 98% of all installations currently using this version. During setup, the program creates a startup registration point in Windows in order to automatically start when any user boots the PC. The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. When installed, it will add a context menu handler to the Windows shell in order to provide quick access to the program. The primary executable is named qsync.exe. The setup package generally installs about 9 files. Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows 10. While about 19% of users of QNAP Qsync come from the United States, it is also popular in Germany and Netherlands.

Program detailsProgram details

URL: www.qnap.com
Installation folder: C:\Program Files\qnap\qsync
Uninstaller: C:\Program Files\QNAP\Qsync\uninstall.exe

Program filesFiles installed by QNAP Qsync

Program executable:qsync.exe
Qsync Application
Path:C:\Program Files\qnap\qsync\qsync.exe
Additional files:
  • uninstall.exe - Qsync Installer
  • QFile.dll - Qsync (Qsync QFile Library)
  • Qsync.dll - Qsync sync Library
  • QsyncExt.dll - QsyncExt Module

Program behaviorsBehaviors exhibited

Context Menu Handler
  • QsyncExt.dll added to Windows Explorer under the name 'QsyncExt' with a class of {9EF65B94-EC0D-49F7-B46D-006B388EB03E}.
Startup File (User Run Once)
  • Qsync.exe is loaded once in the current user (HKCU) registry as a startup file name 'Application Restart #5' which loads as C:\Program Files\QNAP\Qsync\Qsync.exe /RestartByRestartManageC:51601773-BC0E-4197-8BA9-CFC6119B537E /RestartByRestartManageC:98D4F2C6-EA34-491f-BA7D-068AB4BF6F29 /RestartByRestartManageC:A50C3D97-1F67.
Startup File (All Users Run)
  • Qsync.exe is loaded in the all users (HKLM) registry as a startup file name 'Qsync' which loads as "C:\Program Files\QNAP\Qsync\Qsync.exe" /launch_qsync.
Windows Firewall Allowed Program
  • Qsync.exe is added as a firewall exception for 'C:\Program Files\QNAP\Qsync\Qsync.exe'.

How do I remove QNAP Qsync?

You can uninstall QNAP Qsync from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program QNAP Qsync, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove QNAP Qsync.

Win 7 (SP1) 51%
Win 7 1%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 7%
Keep it 93%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 52.16%
Windows 10 45.26%
Windows Vista 1.29%
Windows XP 1.29%
Which OS releases does it run on?
Windows 7 Professional 19.57%
Windows 8.1 Pro 15.65%
Windows 7 Ultimate 15.22%
Windows 7 Home Premium 14.35%
Windows 8.1 12.61%
Windows 8.1 Pro with Medi... 6.52%

Distribution by countryGeography

19.23% of installs come from the United States
Which countries install it?
  United States 19.23%
  Germany 14.53%
  Netherlands 9.83%
  Italy 8.12%
  France 7.26%
  Australia 4.70%
  United Kingdom 4.27%
  Taiwan 3.85%
  Austria 3.85%
  Switzerland 2.99%
  Czech Republic 2.99%
  Hong Kong 2.14%
  Sweden 1.71%
  Poland 1.71%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 23.33%
Hewlett-Packard 16.67%
ASUS 15.00%
Acer 13.33%
Samsung 4.17%
Intel 2.50%
MSI 2.50%
Alienware 2.50%
Lenovo 2.50%
Apple 1.67%
Medion 1.67%
Common models
ASUS All Series 5.17%
Dell Vostro 470 2.59%
Gigabyte X58A-UD5 2.59%
Apple Inc. MacBookPro8,2 1.72%
ASUSTeK N550JK 1.72%
ASUSTeK M51AC 1.72%

About (from QNAP Systems, Inc.)

QNAP, Inc.
Publisher URL: www.qnap.com


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