#Avast error message in corner manual

Change Startup Type from Manual to Automatic.

If started option is disabled, change it and enable it.

Once you find it, under the heading, look for IPSec Policy Agent

Look for IKE and AuthIP IPSec Keying Modules.When a prompt pops-up, type services.msc.Right click on the Windows icon found on the lower left hand corner.You will have to ensure that you are using the correct certificate on both of the server and client side.Дў. Check the certificate- This is the first step that you should check. Certificate revocation is an important security measure implemented in browsers as a security measure to verify sites authenticity, often when using an encrypted connection.

To solve the error 789 for Windows 10, all you have to do is follow the steps and guidelines below.ДЎ. Other things that affect certificate revocation are Time Zone Settings, Date and Time Mismatch, and Proxy Setting Issues. Another reason could be that you have an incorrect configuration in your Win10 install. The good news is this could be solved and could be fixed easily but before we tackle that, we should first have to learn why this error occurs and the answer to that is it is because there is an improper setup when you try to connect to an L2TP server which causes connection failures. Unfortunately, this error could happen from time to time on Windows 10. One of the most frustrating thing whenever you are connecting to your VPN is getting an error message stating that вЂњThe L2TP connection attempt failed because the security layer encountered a processing error during initial negotiations with the remote computerвЂќ.