Hi, I was facing this issue for days. I "managed" to log in by pressing Login button and continuing with my browser. The reason why I didn't do this attemp before it's due to the fact that, until today, when I click the Login button, it says to me to...

ok, after 4 days of headaches finally I got the solution thanks to the support on UE forums. Apparently the problem is due to the presence of some OpenXR API Layers, that were still active by the time I was using SteamVR to develop on my old Vive HMD...

So you mean it is an hardware limitation? My CPU is Intel(R) Core™ i9-10885H CPU @ 2.40GHz, I know it's not the newest but it is neither so old. Do you remember where you read about such limitation? Thanks

I'm struggling with this issue for days! I've tried the plugin from marketplace as well as from meta website. I always occur in this error. Did you manage to understand how to fix this?