我剛剛安裝了 Windows 8.1。不幸的是，我還運行了自動更新，這導致無限重啟循環搞砸了一切：
We couldn't complete the updates. Undoing changes. Don't turn off your computer.
微軟顯然沒有解決方案。也許這裡有人有？我嘗試重新啟動到安全模式以手動卸載更新：
http://denvycom.com/blog/windows-8-1-how-to-fix-updates-failed-undoing-changes-issue/
但我得到：
An error has occurred. Not all updates were uninstalled.