keyiso.dll.mui Troubleshoot and Download

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

keyiso.dll.mui file CNG Key Isolation Service. 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 keyiso.dll.mui related errors on your device. You can also download keyiso.dll.mui file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista

User popularity

Fix keyiso.dll.mui errors

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

4.1 List of keyiso.dll.mui file versions

File info

General information
Filename	keyiso.dll.mui
File extension	MUI
Description	CNG Key Isolation Service

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

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

Most common keyiso.dll.mui file related problems

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

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

keyiso.dll.mui

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

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

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

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of keyiso.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\
Windows 7: C:\Windows\System32\en-US\
Windows 7: C:\Windows\System32\en-US\
Windows Vista: ---
Windows Vista: ---

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

System Windows 10

File size 3072 bytes

Date 2017-03-18

Download

File details
	MD5	6981723d06bf6cab6d1bdf78947a51b0
	SHA1	8733de9394dd0d99b7565abd4f020a51fcd0ec81
	SHA256	f32f43cbcf53a40fa31757ddc19f5d56bd778108a19368cf14468ca6c060a6a7
	CRC32	81a86281
	Example file location	C:\Windows\System32\en-US\

Filename keyiso.dll.mui

System Windows 8.1

File size 2560 bytes

Date 2014-11-21

Download

File details
	MD5	a6a7b80c42785ef814274cf3593f7820
	SHA1	ae0cccc705c37c273981a07219fe62f9f4924e86
	SHA256	ffc1b8135c5db1d9982dd4a29d3092bed606864e55a12770bdb41f40b467cb9f
	CRC32	263ef895
	Example file location	C:\Windows\System32\en-US\

Filename keyiso.dll.mui

System Windows 8

File size 2560 bytes

Date 2012-07-26

Download

File details
	MD5	1e81c55065886631731e26ce9a38bc59
	SHA1	26fdc6bcbff022416a7e94ee5cbf65c415471301
	SHA256	ba98f5c1a269aece6b3ed0114613c6cda25adda560eb915139e5db6e627a3c39
	CRC32	008fd770
	Example file location	1: C:\Windows\System32\en-US\

Filename keyiso.dll.mui

System Windows 7

File size 2560 bytes

Date 2011-04-12

Download

File details
	MD5	61808022d7068abf3a7ac7b55152d21e
	SHA1	493f076800509b139013cb72c713ab00ff53175e
	SHA256	4ea636de5693d3d7ab7eaea6528c6a3c30090023205addf616afd49615555c4b
	CRC32	7b07ee88
	Example file location	C:\Windows\System32\en-US\

Filename keyiso.dll.mui

System Windows 7

File size 2560 bytes

Date -0001-11-30

Download

File details
	MD5	ef35597abc76041304fb7b85926314fa
	SHA1	22cae6f1078152d9626d778bfd2bb5ce0628ebdb
	SHA256	1bc101cbb16ee80fb1e31210fb79b17485401b3ecfa6a3611b2a734bda32e9b3
	CRC32	a56fc448
	Example file location	C:\Windows\System32\en-US\

Filename keyiso.dll.mui

System Windows Vista

File size 2560 bytes

Date 2006-11-02

Download

File details
	MD5	331abfb60d83e746d410b94e03cc5b50
	SHA1	34058f512cf819ddb81b91d6a722824ae507c2b5
	SHA256	fe15c7e9e697fb823556d89446fd19e307ec04d6891fa130e87344bf799cb98a
	CRC32	44c2fee7
	Example file location	---

Filename keyiso.dll.mui

System Windows Vista

File size 3072 bytes

Date -0001-11-30

Download

File details
	MD5	af84781654ef54bdc2117ddb5e60d00a
	SHA1	e3fc082e06ad31136baf7dc6ca80e166f0bd5620
	SHA256	b28a8002dbee3231c6cd9806050fc0adb49aef1b00e251bf58afeb5c72a0b77d
	CRC32	2a5fc1e3
	Example file location	---