The April 2024 update for Windows 11 included a bug that could prevent some PCs from connecting to a VPN.
Microsoft has since rolled out the May 2024 update for Windows 11, which fixes the VPN bug.
The update will roll out to your PC automatically or you can grab the update through the Microsoft Update Catalog.

Windows updates normally improve the performance of your PC, but occasionally they come with bugs that make parts of your PC worse. That was the case with the April 2024 update for Windows 11, which prevented some PCs from connecting to a VPN (Virtual Private Network). Those who use a VPN for privacy or other reasons can rejoice, since Microsoft has rolled out a fix for that VPN bug with the May 2024 update for Windows 11.

Considering VPNs are essential for certain workflows and certain forms of entertainment, not being able to connect to one can cause problems. Luckily for those affected by the bug, a fix is here. The lone highlight of the update reads:

While the fix to the VPN bug is the highlight of the update, it is not the only change. Both Windows 11 version 23H2 and Windows 11 version 22H2 will receive the following improvements when updating to builds 22621.3593 or 22631.3593, respectively, as outlined by Microsoft.