Microsoft Sudoku has once again lost my progress on daily challenges. Please advise when this issue will be fixed and my progress will be restored.

I have tried that, also reset, also deleted and re installed. been signed in all that time ..... this is very frustrating. at least 6 months now .......

This has been an ongoing problem on Microsoft Sudoku for a very long time. There are threads that date back over a year with this problem. Microsoft has opted not to fix the problem or post a maningful solution for those of us that encounter this glitch. Obviously there is no incentive for them to fix it. They are rewarded with additional ad revenue every time thousands of patsies are duped into playing the same games over and over.

Since the company and its employees have financial incentive to perpetrate this problem, does it constitue a violation of Federal Wire Fraud 941. 18 U.S.C. 1343? I have made other posts on this thread that never get posted.

FYI: I have tried all the remedies that people post. If they work at all, it is very short lived. The problem keeps coming back

Sorry it did not work for you. Perhaps I should hav mentioned that this solution only worked after following earlier advice on this question which I repeat here:

Open the File Explorer and paste the following into the address bar to go to a specific location on your computer:

%userprofile%\AppData\Local\Packages\Microsoft.XboxIdentityProvider_8wekyb3d8bbwe\AC\TokenBroker

Delete any accounts and cache folders that you can see at this location.  

This restored my game progress history for the month to the point that I lost my scores. I have also unistalled any thing related to the Xbox app. This does not appear to impact any of the other MS games like Solitaire.

The message that I get after a wait reads something like RESTART REQUIRED as a banner followed by a message that the game has lost sync. There is a large button to press labelled RESTART. I have had the same message come up on my Android phone version of the game so it does not seem device specific. Good luck.

Ian-AP, THANK YOU for your solution! It worked for me.

FIRST I deleted the Sudoku app. (Before this mess started I played Sudoku Daily Challenge for months.)

THEN Open the File Explorer and paste the following into the address bar to go to a specific location

on your computer:

%userprofile%\AppData\Local\Packages\Microsoft.XboxIdentityProvider_8wekyb3d8bbwe\AC\TokenBroker

THEN   Delete any accounts and cache folders that you can see at this location.  

THEN   I have also uninstalled any thing related to the Xbox app. This does not appear to impact any of the other MS games like Solitaire. (As I recall most of my issues started when Sudoku was tied into Xbox)

FINALLY I reinstalled MS Sudoku and it ran properly!

AND Anytime something about installing an Xbox-something comes up I ignore it.

Thanks again, Dave

Also tried to manage this problem in the same way but no success. MS has taken a long time to fix this.