This is an old revision of the document!
Source: https://www.howtogeek.com/426554/how-to-disable-the-login-screens-background-blur-on-windows-10/
regedit `DisableAcrylicBackgroundOnLogon`
Open Power Shell as an admin and run any of the below commands. You should be able to tell which app each command is referring to.
Get-AppxPackage *3dbuilder* | Remove-AppxPackage Get-AppxPackage *windowsalarms* | Remove-AppxPackage Get-AppxPackage *windowscalculator* | Remove-AppxPackage Get-AppxPackage *windowscommunicationsapps* | Remove-AppxPackage Get-AppxPackage *windowscamera* | Remove-AppxPackage Get-AppxPackage *officehub* | Remove-AppxPackage Get-AppxPackage *skypeapp* | Remove-AppxPackage Get-AppxPackage *getstarted* | Remove-AppxPackage Get-AppxPackage *zunemusic* | Remove-AppxPackage Get-AppxPackage *windowsmaps* | Remove-AppxPackage Get-AppxPackage *solitairecollection* | Remove-AppxPackage Get-AppxPackage *bingfinance* | Remove-AppxPackage Get-AppxPackage *zunevideo* | Remove-AppxPackage Get-AppxPackage *bingnews* | Remove-AppxPackage Get-AppxPackage *onenote* | Remove-AppxPackage Get-AppxPackage *people* | Remove-AppxPackage Get-AppxPackage *windowsphone* | Remove-AppxPackage Get-AppxPackage *photos* | Remove-AppxPackage Get-AppxPackage *windowsstore* | Remove-AppxPackage Get-AppxPackage *bingsports* | Remove-AppxPackage Get-AppxPackage *soundrecorder* | Remove-AppxPackage Get-AppxPackage *bingweather* | Remove-AppxPackage Get-AppxPackage *xboxapp* | Remove-AppxPackage
Reinstall default apps
Get-AppxPackage -AllUsers| Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}