Download and Fix WMPNSSUI.dll

Sometimes Windows system displays error messages regarding corrupted or missing WMPNSSUI.dll files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent WMPNSSUI.dll file can therefore effect in failed execution of the started process.

WMPNSSUI.dll file Dynamic Link Library. The file was developed by Microsoft for use with Windows software. Here you will find detailed information about the file and instructions how to proceed in the event of WMPNSSUI.dll related errors on your device. You can also download WMPNSSUI.dll file compatible with Windows 10, Windows 8 devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8

User popularity

Fix WMPNSSUI.dll errors

1 Information about WMPNSSUI.dll file
2 Errors related to WMPNSSUI.dll file
3 How to fix WMPNSSUI.dll related errors?

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download WMPNSSUI.dll

4.1 List of WMPNSSUI.dll file versions

File info

General information
Filename	WMPNSSUI.dll
File extension	DLL
Type	Dynamic Link Library
Description	Dynamic Link Library

Software
Program	Windows 10
Software	Windows
Author	Microsoft
Software version	10

Details
File size	18432
Oldest file	2012-07-26
Latest file	2017-03-18

Most common WMPNSSUI.dll file related problems

There are various types of errors related to WMPNSSUI.dll file. WMPNSSUI.dll file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to WMPNSSUI.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

WMPNSSUI.dll is corrupted
WMPNSSUI.dll cannot be located
Runtime Error - WMPNSSUI.dll
WMPNSSUI.dll file error
WMPNSSUI.dll file cannot be loaded. Module was not found
cannot register WMPNSSUI.dll file:
WMPNSSUI.dll file could not be loaded
WMPNSSUI.dll file doesn't exist

WMPNSSUI.dll

Application could not be started because WMPNSSUI.dll file is missing. Reinstall the application to solve the problem.

Problems related to WMPNSSUI.dll can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing WMPNSSUI.dll file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix WMPNSSUI.dll errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

WMPNSSUI.dll file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with WMPNSSUI.dll file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to WMPNSSUI.dll file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of WMPNSSUI.dll or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to WMPNSSUI.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the WMPNSSUI.dll file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the WMPNSSUI.dll file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the WMPNSSUI.dll file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace WMPNSSUI.dll file

The last solution is to manually download and replace WMPNSSUI.dll file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded WMPNSSUI.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of WMPNSSUI.dll file example directory paths.

Windows 10: C:\Program Files\Windows Media Player\
Windows 8: C:\Program Files\Windows Media Player\

If the steps did not solve your WMPNSSUI.dll file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename WMPNSSUI.dll

System Windows 10

File size 18432 bytes

Date -0001-11-30

Download

File details
	MD5	00551f808d37bbcacd1b0379ed41795c
	SHA1	476b3960db7eb6dc7465f0d59195bde2daa3a2dd
	SHA256	adf00d2723a35b2cc49502bb5877486d590a931ab92ce23a965976224b16a138
	CRC32	e23c2ca0
	Example file location	C:\Program Files\Windows Media Player\

Filename WMPNSSUI.dll

System Windows 8

File size 17408 bytes

Date -0001-11-30

Download

File details
	MD5	829df7f639f27e57e086722029ca6e34
	SHA1	906c9f7b8560dff97fa91c2ffa3cee7399da2947
	SHA256	d39c9ba54110835dd86dec37d4a3f8eb5cab91503cc52b3f338f68cb9100a3d8
	CRC32	622ad96d
	Example file location	C:\Program Files\Windows Media Player\