function Invoke-WPFAppxRemoval {
    <#
    .SYNOPSIS
        Removes the selected AppX packages in a background runspace.
    #>

    if ($sync.ProcessRunning) {
        $msg = "A process is currently running. Please wait for it to finish."
        [System.Windows.MessageBox]::Show($msg, "Winutil", [System.Windows.MessageBoxButton]::OK, [System.Windows.MessageBoxImage]::Warning)
        return
    }

    $selected = @($sync.selectedAppx)
    if ($selected.Count -eq 0) {
        $msg = "Please select the AppX packages you wish to remove."
        [System.Windows.MessageBox]::Show($msg, "Winutil", [System.Windows.MessageBoxButton]::OK, [System.Windows.MessageBoxImage]::Warning)
        return
    }

    $totalSteps = $selected.Count
    $completedSteps = 0

    Invoke-WPFUIThread -ScriptBlock { Set-WinUtilTaskbaritem -state "Normal" -value 0.01 -overlay "logo" }

    $handle = Invoke-WPFRunspace -ParameterList @(("selected", $selected), ("completedSteps", $completedSteps), ("totalSteps", $totalSteps)) -ScriptBlock {
        param($selected, $completedSteps, $totalSteps)

        $sync.ProcessRunning = $true

        for ($i = 0; $i -lt $selected.Count; $i++) {
            $key = $selected[$i]
            $appInfo = $sync.configs.appxHashtable.$key
            $packageId = $appInfo.PackageId
            $friendlyName = $appInfo.content

            Set-WinUtilProgressBar -Label "Removing $friendlyName" -Percent ($completedSteps / $totalSteps * 100)
            Remove-WinUtilAPPX -Name $packageId
            $completedSteps++
            $progress = $completedSteps / $totalSteps
            Invoke-WPFUIThread -ScriptBlock { Set-WinUtilTaskbaritem -value $progress }
        }

        Set-WinUtilProgressBar -Label "AppX Removal finished" -Percent 100
        $sync.ProcessRunning = $false
        Invoke-WPFUIThread -ScriptBlock { Set-WinUtilTaskbaritem -state "None" -overlay "checkmark" }
        Write-Host "================================="
        Write-Host "--   AppX Removal Finished   ---"
        Write-Host "================================="
    }
}