Windows 8.1 Mahjong

Same for me, Mahjong does not sign in since I updated to Windows 8.1 today.

Having the same problem since installing Windows 8.1 on both Solitaire & Mahjong.

Minesweeper, Mahjong, and Solitaire versions appear to have ended at 1.8.x... on Windows 8, while 2.1.x... versions have been available for Windows 8.1. Today's Mahjong update now pushes the version to 2.2.x...

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As there are issues (unlockable new achievements in Minesweeper, Daily Challenge glitchers in Mahjong) in the 1.8.x... versions, I don't know if this will change or not. If the 2.1/2.2.x... versions have Windows 8.1 dependencies, it may not be possible
to just release them to 8.0 users.

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The inability to unlock the new Minesweeper achievements motivated me to back up, do a factory reset, and get a fairly clean upgrade to 8.1 this weekend, just so that I could get those achievements. Trying to just update to 8.1 with whatever registry/dll/driver
cruft I had in my 8.0 install led to nothing but problems.

I have a similar issue. Mahjong shows that it is trying to log into xbox, but never succeeds.

I have done the wsreset, reinstalled and synced. I have verified that I can log into my xbox.com account. I saw articles indicated Mahjong was broken in the latest Windows 10 preview, but I am on Windows 8.1

MMicrosoft Mahjong just shuts down every time I try to open it. This has been happening all day. I am using an Asus Vivotab with Windows 8.1.