Do not update your computer with Windows 10 or Windows 11: your VPN will stop working

From time to time the Redmond-based giant updates its flagship operating system to add new functions that improve its usability a little more. We recently told you about the arrival of a new volume indicator in Windows 11.zº But today we do not bring good news. Mainly because You shouldn’t update your Windows 10 or Windows 11 computer if you use a VPN regularly.

At the beginning of the week, Microsoft released different updates for both Windows 10 computers, as for devices with Windows 11. A firmware upgrade that is causing a real headache for many users who, for example, want to watch Netflix from other countries. The reason? VPN connections have stopped working.

No, your VPN does not fail, it was the last Windows update

Just like reported from BleepingComputer, Windows 10 or Windows 11 computers that have been updated to the latest version have suddenly seen VPN connections stop working. This happens when trying to connect through the Windows integrated client, where a message appears with complete security indicating the following: Can’t connect to VPN. The L2TP connection attempt failed because the security layer encountered a processing error during initial negotiations with the remote computer. “

On the other hand, you will see that the Windows Event Viewer will show an error code 789 because the connection has failed. And worst of all, it is affecting quite a number of VPN services, causing quite a few problems for your customers.

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This will make the VPN work on your computer again

Fortunately, the solution is quite simple, since you only have to uninstall the latest update on your PC or laptop with Windows 10 or Windows 11. To do this, you must follow these simple steps.

  • First, open the Control Panel.
  • Now, go to Programs.
  • Look for the option View installed updates.
  • Within this tab, look for a Windows update labeled KB5009543 (on Windows 10) or KB5009566 (for Windows 11).
  • Now, select the update and click on uninstall. Accept the administrator privileges and let the process finish.

Evidently, Microsoft is already working on a fix for this problem, So if you are affected with the failure to update Windows 10 or Windows 11, follow our simple tutorial and, when the company solves the problem, you will be able to update your computer without major difficulties.