Fix Error 27850 when installing Cisco VPN on Windows 10

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Ngày cập nhật gần nhất: 15/12/2025

On Windows 10, you may encounter an installation error with Cisco VPN Client. When you attempt to install Cisco VPN Client, the program will report error 'Error 27850. Unable to manage networking component. Operating system corruption may be preventing installation.' So how do you fix this Error 27850 and continue installing Cisco VPN Client? Follow the article below from Mytour to find out.

Cisco VPN Client is a tool that allows you to connect to a strongly encrypted network port with extremely high security for your mobile devices. The tool supports most operating systems such as Windows, Mac, Linux, Solaris,... However, you need to fix Error 27850 during installation to be able to use this tool on Windows 10.

GUIDE TO FIX ERROR 27850 WHEN INSTALLING CISCO VPN Client

Step 1: Make sure that the Cisco VPN Client installation version is 5.0.0.7 or higher. You can download the Cisco VPN Client here: Download Cisco VPN Client

Step 2: If you have correctly used the Cisco VPN Client 5.0.0.7 or higher installation but still cannot fix Error 27850, download the latest version of DNE, which is a tool that helps the operating system, network protocol control, and measure network infrastructure.

Download DNE for Windows 32-bit here: Download DNE 32-bit

Download DNE for Windows 64-bit here: Download DNE 64-bit

Step 3: Install DNE using the file you just downloaded to fix Error 27850.

Step 4: After installing DNE, try reinstalling Cisco VPN Client and the Error 27850 should no longer appear.

This is the guide to help you fix error 27850 when installing Cisco VPN Client, which is a powerful tool for installing and controlling VPN servers, but it is quite difficult to use. If you are looking for a tool to connect to VPN servers, then SoftEther VPN Server is a very suitable tool, easy to install and use on Windows 10. Wish you success!

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