keyiso.dll - How to Fix? Download Now

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

keyiso.dll 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 related errors on your device. You can also download keyiso.dll 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

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

4.1 List of keyiso.dll file versions

File info

General information
Filename	keyiso.dll
File extension	DLL
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 file related problems

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

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

keyiso.dll

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

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

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

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

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

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

Windows 10: C:\Windows\System32\
Windows 8.1: C:\Windows\System32\
Windows 8: 1: C:\Windows\System32\
Windows 7: C:\Windows\SysWOW64\
Windows 7: C:\Windows\SysWOW64\
Windows Vista: ---
Windows Vista: ---

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

System Windows 10

File size 69632 bytes

Date 2017-03-18

Download

File details
	MD5	99d6c4af6c56eb0fa294fb715e549123
	SHA1	afc87d08c09323aff3a831285f741e710025941c
	SHA256	06a70f94ff3d99aa8e07f7251dc242e16fb04f7bafa5968d8750f65c49a23cfd
	CRC32	d3c736a6
	Example file location	C:\Windows\System32\

Filename keyiso.dll

System Windows 8.1

File size 46592 bytes

Date 2014-11-21

Download

File details
	MD5	720578c4ebf7ee857e87b4df49b8c5ae
	SHA1	f3990f069140d880aa885aa669b9037e5b7d3e35
	SHA256	a9cdf548c7eade327f24dec68c6c49509de5ea96bf29769bedf0617547f7e5c5
	CRC32	17c2715c
	Example file location	C:\Windows\System32\

Filename keyiso.dll

System Windows 8

File size 43520 bytes

Date 2012-07-26

Download

File details
	MD5	f0cc15868f4f181858c56f2ea42e6535
	SHA1	35606f59d4259a6208fc09bc27085f0e88592783
	SHA256	a0036a3f470c83e84efc0ff3ab8235d04e700805ef73378a11bcae41dbae1bb0
	CRC32	cc0df938
	Example file location	1: C:\Windows\System32\

Filename keyiso.dll

System Windows 7

File size 19456 bytes

Date -0001-11-30

Download

File details
	MD5	af75dba674e55221b7a055b0a4345f16
	SHA1	2a1a05c90d80c177f97451d12c88c900bd6a1387
	SHA256	50f1b550f4ebfa946564eb66bbd17c308dcb08055017e010095a94c2ebce208d
	CRC32	01f9eb55
	Example file location	C:\Windows\SysWOW64\

Filename keyiso.dll

System Windows 7

File size 29184 bytes

Date 2009-07-14

Download

File details
	MD5	f9ec845c5eecf20e9a67f9f805f2ef1f
	SHA1	ac84fdf72c774f42dfcbd91eafdff54f48d6cd89
	SHA256	c3dba8cf93dbf50954b1bf6d7ef3f6f5dd1a56dc62b7eb2749c54d9b65d9bb43
	CRC32	365a4849
	Example file location	C:\Windows\SysWOW64\

Filename keyiso.dll

System Windows Vista

File size 18944 bytes

Date -0001-11-30

Download

File details
	MD5	74c2f29cc612b2b34231bebd824d2fb2
	SHA1	96392ee8fc27763d43a08cb5d228e99e990468d7
	SHA256	0c0888ab3b2d8c8f17ca57a503c61f867c8f12a6e6f645defe7a2c299aa59ad8
	CRC32	8f0307c7
	Example file location	---

Filename keyiso.dll

System Windows Vista

File size 28672 bytes

Date 2006-11-02

Download

File details
	MD5	c6336d1625515cc5f70e5630cff14182
	SHA1	60ff80925aed0044d472d831b3f5305fbb4f7228
	SHA256	48473d7367cc6ce91cd2b36ecf150d7c2fb173758455ad7224b1a7b217c0fe7b
	CRC32	3e46a43b
	Example file location	---