I already have steam guard mobile authenticator on before the update.
Char: Megapotion
Region: US West - Valtan
Hello @Megapotion hope you’re find.
I’m really sorry to hear that you’re having this kind of issue with Steam Guard.–
To help you find the right fix for your issue could you please tell me if you already have tried to contact Steam?
I’ll be aware of your answer, have a great day and take care! 
thanks will try to contact steam
Hey @Megapotion thanks for the update, let me investigate on this!
Edit:
I just verified on the system and it does show your account as trusted, in this case I would recommend you to contact us, as the status wasn’t applied properly in-game and we need to report it, here is the contact information:
Hope this helps!
1 Like
Hello. I still can’t mail until now and your CS keeps on replying automated response. Thanks
Same