Run Lpksetup /u and uninstall any possible duplicate language you find there, restart Windows and wait a few minutes. Worked for me after scouring the Internet for hours. This also provided some users with relief but did not work for me. %LOCALAPPDATA%\Packages\windows.immersivecontrolpanel_cw5n1h2txyewy\LocalState Right-click the Indexed folder → Properties → Advanced → Check Allow files in this folder to have indexed in addition to file properties . Click Apply and Exit. If it is already checked, uncheck it → apply → recheck it → apply and wait a few minutes for the folder to be reindexed. Reference machine was a Lenovo T400 with a clean install of Windows 10. Source :
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