platform exec: Cannot install appx package exit status 65535 The term 'Add-AppxPackage' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again. At line:1 char:93 + $appx_file = "C:\Users\Admin\AppData\Local\Temp\PhotoScapeXPro_2.9.0.0.appx"; Add-AppxPackage <<<< $appx_file;if( -not $? ) {exit -1;};Start-Sleep -s 2;$lin e = Get-WinEvent Microsoft-Windows-AppxDeploymentServer/Operational -Oldest | S elect-Object -Last 100 | Where-Object { $_.Id -eq '400' } |Select-Object -Last 1 | Select Message;$line = $line.Message | Out-String -Width 999;if( $line -eq '' -or $line -eq $null ) {Write-Output 'Failed to find installed appx package'; exit -1;};$appx_name = $line.Split('_')[0].Split(' ')[-1];if( $appx_name -eq ' ' -or $appx_name -eq $null ) {Write-Output 'Failed to parse installed appx pack age'; exit -1;};$xml_path = (Get-AppxPackage *$appx_name*).InstallLocation + '\ AppxManifest.xml';$appx_family = (Get-AppxPackage *$appx_name*).PackageFamilyNa me;[xml]$xml_data = Get-Content -Path $xml_path;$appx_type = $xml_data.Package. Applications.Application.Id;$appx_family + '!' + $appx_type; + CategoryInfo : ObjectNotFound: (Add-AppxPackage:String) [], Com mandNotFoundException + FullyQualifiedErrorId : CommandNotFoundException