try Write-Host "Installing $BundlePath ..." -ForegroundColor Cyan Add-AppxPackage @params Write-Host "Installation succeeded." -ForegroundColor Green
Remove-AppxPackage -Package "MyAppPublisher.MyApp_1.2.3.0_x64__8wekyb3d8bbwe" For all users:
Add-AppxProvisionedPackage -Online -FolderPath "C:\StagedApp" -SkipLicense Note: This is a DISM cmdlet, not Appx. | Error | Likely Cause | Solution | |-------|--------------|----------| | 0x80073CF3 | Bundle contains wrong architecture | Match OS architecture (x64/x86/ARM) | | 0x80073CF0 | Missing dependency | Install required framework packages first | | 0x80073D05 | Bundle not signed trustingly | Enable sideloading or install certificate | | 0x80073D2A | App already installed for another user | Use Remove-AppxPackage for that user first | Enabling Sideloading (if needed) For unsigned or self-signed bundles, enable sideloading via PowerShell: powershell install msixbundle
Add-AppxPackage -Path "MyApp.msixbundle" -ForceApplicationShutdown -ErrorAction SilentlyContinue Add-AppxPackage -Path "\\server\share\installer.msixbundle" -ForceUpdateFromAnyVersion 3. Install with Dependency Handling If your bundle relies on framework packages (e.g., VCLibs, UI.Xaml), install dependencies first:
Get-AppxPackage -AllUsers -Name "*MyApp*" | Remove-AppxPackage -AllUsers <# .SYNOPSIS Installs an MSIX bundle silently with validation. .DESCRIPTION Checks admin rights, OS compatibility, architecture, and dependencies before installing. #> param( [Parameter(Mandatory)] [ValidateScript(Test-Path $_ -PathType Leaf)] [string]$BundlePath, try Write-Host "Installing $BundlePath
if ($ForAllUsers) $params.Add("Register", $true)
# Enable sideloading (requires admin) Set-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\AppModelUnlock" -Name "AllowAllTrustedApps" -Value 1 -Type DWord Or use the GUI: . Uninstalling an MSIX Bundle Find the full package name first: .DESCRIPTION Checks admin rights
Get-AppxPackage -Name "*MyApp*" | Select PackageFullName Then remove: