How can I fix this error?
The sign in doesn’t seem to work and is just stuck on this screen.
I’ve tried logging out and then logging back in to the XBOX companion, still isn’t working.
Help would be appreciated,
Thanks.
It’s probably an issue with XBOX services…
Hello @snakeyez95,
I moved your topic to
#Bugs&Issues:miscellaneous
The General Discussion category is a place for general MSFS-related discussion and feedback. You are having an issue, so this category fits better 
Thank you and stay healthy!
Yesterday I had the exact same problem, after the dreaded “your packages are outdated. Please re-login” dialog showed up during a flight.
I believe that the problem is related to the native screen resolution vs the actual game resolution. In my case I have a monitor (well, an iMac ;)) with a native 5k resolution, whereas I set the FS2020 game resolution to FullHD (1920x1080). My guess is that the actual XBox login screen that is supposed to show up after clicking on the “Sign In” button is placed somewhere off-screen (it is supposed to be “centered” on the screen, but possibly wrongly calculating with the native screen resolution instead of the effective “game resolution”).
In any case this is a known problem since almost day 1 and a workaround exists as well, which worked for me just now:
https://forums.flightsimulator.com/t/xbox-login-screen-stuck/145046
After temporarily renaming your local FS2020 installation folder (somewhere in your user folder, depending on whether you have the Steam or Microsoft Market (?) edition) the installation screen appears in the “native resolution”. And in my case the XBox login screen was centered, but tiny (e.g. not properly scaled: fonts were almost unreadable small etc.). Which leads me to the educated guess that when the loading screen appears in a much much lower resolution than the native screen resolution the XBox login dialog is then “centered off-screen” (using the native resolution as basis of the “center” calculation - but again, just a wild guess).
I have created (yet another) ZenDesk ticket about this and will try to amend it with this information (which may or may not be of help to the developers).
UPDATE: Interestingly @brotbuexe4206 (who gave the valuable workaround, thanks!) also mentioned that he “… reduce[d] the “interface scale” to 60. This already works at the login rompt. Maybe this is causing this issue.”. So this really sounds like that the “visibility” of the XBox login dialog (which seems to be rendered “on top” of the FS 2020 login screen, in native resolution) is related to screen resolutions (or “ratios to the native screen resoltuion”). Some “center dialog” calculation really seems to go “off the charts” here…
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when at the screen , hold ALT and press ENTER , MSFS will go out of fullscreen mode and then Xbox signin button is pressable… , repeat alt+enter to go back to full screen mode.
it’s now 1 year later and this bug still not fixed , how sad !!!
i just recieved my 4th heart , this means this bug is still not fixed , Ultra uber sad !!
btw it’s now july 2022
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Heyy thanks a lot man! Your recommended technique worked perfectly! 
at my post at middle bottom there is a solution thingy you( the OP) can click, it will change the status of your post to solved 
Continuing the discussion from XBOX sign in Error:
Thank you for using the Bug section, using templates provided will greatly help the team reproducing the issue and ease the process of fixing it.
Are you using Developer Mode or made changes in it?
No
Have you disabled/removed all your mods and addons?
N/a
Brief description of the issue:
Nearly 2 years have passed and this post is STILL relevant. I stepped away from MSFS2020 over a year ago due to the bugs. When I went to update it today I was met with this issue. Luckily this TWO YEAR OLD post helped me solve the issue of the Xbox sign in not working in full screen mode.
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March 28, 2023, I had this issue for the past week, thank God I found this, the bug still somewhere , thanks.
July, 2023. A whole year and it’s sill not fixed. Ultra superuber sad!
Use ALT-ENTER on the keyboard to force a resize of the dialog box.
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Let me try that
Dude I love you so much
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Really annoying.
I had to set my resolution to 1920 x 1080
Then the login box would appear!
Still a problem in April 2024 using NVidia 4070 Ti + Odyssey OLED G9 49". I bet it’s a bug in super ultrawider rendering?
alt-enter still works as a workaround.
A post was split to a new topic: Re-installing FS2020 and the download just stops
MSFS 2020 does not work for me errors when signing in yet the app signs in no issues