Download and Fix umpoext.dll.mui

Sometimes Windows system displays error messages regarding corrupted or missing umpoext.dll.mui 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 umpoext.dll.mui file can therefore effect in failed execution of the started process.

umpoext.dll.mui file User-mode Power Service Extensions. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of umpoext.dll.mui related errors on your device. You can also download umpoext.dll.mui file compatible with Windows 10, Windows 8.1, Windows 8 devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8

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Fix umpoext.dll.mui errors

1 Information about umpoext.dll.mui file
2 Errors related to umpoext.dll.mui file
3 How to fix umpoext.dll.mui 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 umpoext.dll.mui

4.1 List of umpoext.dll.mui file versions

File info

General information
Filename	umpoext.dll.mui
File extension	MUI
Description	User-mode Power Service Extensions

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

Details
MIME type	application/octet-stream
File type	Executable application
System	Windows NT 32-bit
Copyrights	© Microsoft Corporation. All rights reserved.
Character set	Unicode
Language cod	English (U.S.)

Most common umpoext.dll.mui file related problems

There are various types of errors related to umpoext.dll.mui file. umpoext.dll.mui 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 umpoext.dll.mui file. If you encounter one listed below (or similar), please consider the following suggestions.

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

umpoext.dll.mui

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

Problems related to umpoext.dll.mui 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 umpoext.dll.mui 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 umpoext.dll.mui errors in just few steps?

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

umpoext.dll.mui 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 umpoext.dll.mui 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 umpoext.dll.mui 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 umpoext.dll.mui 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 umpoext.dll.mui file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the umpoext.dll.mui 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 umpoext.dll.mui 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 umpoext.dll.mui 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 umpoext.dll.mui file

The last solution is to manually download and replace umpoext.dll.mui 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 umpoext.dll.mui file.

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

Windows 10: C:\Windows\System32\en-US\
Windows 8.1: C:\Windows\System32\en-US\
Windows 8: 1: C:\Windows\System32\en-US\

If the steps did not solve your umpoext.dll.mui 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 umpoext.dll.mui

System Windows 10

File size 4096 bytes

Date 2017-03-18

Download

File details
	MD5	18575442b156148b478853bf10acaeaf
	SHA1	b095ee0ddd40cd92a13fbf8feef89778dcafc36b
	SHA256	b37a2214c75243142cc9a873ae31af3eea4f20694fffc857c6e63591349eaac6
	CRC32	b3ed96f2
	Example file location	C:\Windows\System32\en-US\

Filename umpoext.dll.mui

System Windows 8.1

File size 2560 bytes

Date 2014-11-21

Download

File details
	MD5	72174355088cce91e4ea4ef16a4dbaa7
	SHA1	9180cc1d3d1532f3915dc0240841894bd5337a58
	SHA256	039b2f7fa1aa9e4cd456cdb0cdc07f6271f3d30319d3649079c9576ab70e40a2
	CRC32	1dc697e9
	Example file location	C:\Windows\System32\en-US\

Filename umpoext.dll.mui

System Windows 8

File size 2560 bytes

Date 2012-07-26

Download

File details
	MD5	a27c29ac778ee8cbbfb783870671b799
	SHA1	bbf036576bcaa3706510c7679fc02cd12839ad67
	SHA256	8190a9cc0196ed47bdd815f7bbdfb5716cffe7e832e146e0fafcd07686694722
	CRC32	033d385f
	Example file location	1: C:\Windows\System32\en-US\