Get-AppxPackage -Name "YourAppPackageName" | Remove-AppxPackage Then proceed with the all-users provisioned package. Cause: PowerShell not running as Administrator.
$fullPath = Resolve-Path ".\MyApp.msix" Add-AppxProvisionedPackage -Online -FolderPath $fullPath Redirect output for auditing: install msix powershell all users
Install the signing certificate to Cert:\LocalMachine\Root before running Add-AppxProvisionedPackage . install msix powershell all users
catch Write-Error "Installation failed: $_" exit 1 $packageInfo = Get-AppxProvisionedPackage -Online | Where-Object $_.DisplayName -like " YourAppName " if ($packageInfo) Write-Host "Provisioned package verified: $($packageInfo.DisplayName)" install msix powershell all users
[Parameter(Mandatory=$false)] [string]$CertificatePath,