Microsoft released these two updates on October Patch Tuesday and you can download them automatically via Windows Update or manually from the Microsoft Update Catalog.

Download Windows 10 version 1803 KB4464218 Download Windows 10 version 1709 KB4464217 

Both KB4464218 and KB4464217 share one common fix that solves the issues where the PFX certificate is not recognized when authenticating to a VPN or wireless connection. Windows 10 v1709 KB4464217 brings one additional fix, compared to its Windows 10 April Update counterpart. Namely, it fixes the Remote Access Error 809. However, if the issue persists after installing the update, you can use our dedicated guide to fix VPN error 809 for good. In case you’ll still experience VPN connection issues after installing the latest Windows 10 updates, here are some useful troubleshooting guides that may help you fix your problem:

FIX: VPN Error 812 in Windows 10 VPN blocked on Windows 10? Don’t panic, here’s the fix VPN got blocked by Windows firewall? Here’s how to fix it FIX: VPN doesn’t hide location, what can I do?

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