What is ntshrui.dll?

The genuine ntshrui.dll file is a software component of Microsoft Windows Operating System by Microsoft.
The DLL file associated with sharing in Windows, this file allows folders in the operating system to be shared across a network. When implemented, a folder on a given machine can appear as a local folder would on another computer on the network. This allows for saving files, copying, transferring, etc. as easy as manipulating files locally. Founded in 1975 in New Mexico, Microsoft is now one of the largest software corporations in the world. Currently headquartered in Washington, the flagship Windows operation system is the most utilized OS in the world.

NTShrUI stands for NT Shell extensions for Sharing User Interface

Ntshrui.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if ntshrui.dll is a Windows system file or if it belongs to an application that you can trust.

Click to Run a Free Scan for ntshrui.dll related errors

Ntshrui.dll file information

The process known as Shell extensions for sharing belongs to software Microsoft Windows Operating System by Microsoft (

Description: Ntshrui.dll is not essential for the Windows OS and causes relatively few problems. The file ntshrui.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 137,728 bytes (12% of all occurrences), 143,872 bytes and 31 more variants. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program is not visible. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. The ntshrui.dll file is not a Windows core file. Therefore the technical security rating is 55% dangerous, however you should also read the user reviews.

Recommended: Identify ntshrui.dll related errors

Important: Some malware disguises itself as ntshrui.dll, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the ntshrui.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


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Summary: Average user rating of ntshrui.dll: based on 3 votes with 2 user comments. One user thinks ntshrui.dll is essential for Windows or an installed application. 2 users think it's probably harmless. One user is not sure about it.

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Best practices for resolving ntshrui issues

A clean and tidy computer is the key requirement for avoiding problems with ntshrui. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the ntshrui.dll process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

ntshrui.dll [all]