unable to download apps from microsoft store and i receive this error when uninstalling xbox app with powershell

[OSIRISTHEVIRUS2]

this is the error code i get when attempting to downloading apps;

Code: 0x80004005
this is what i receive in powershell when attempting to uninstall xbox app;

PS C:\WINDOWS\system32> Get-AppxPackage xboxapp | Remove-AppxPackage
Get-AppxPackage : The database disk image is malformed
The database disk image is malformed
At line:1 char:1
+ Get-AppxPackage xboxapp | Remove-AppxPackage
+ ~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: ) [Get-AppxPackage], Exception
+ FullyQualifiedErrorId : System.Exception,Microsoft.Windows.Appx.PackageManager.Commands.GetAppxPackageCommand

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