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‎SignTool.ps1‎

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Add-Type -AssemblyName PresentationFramework
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Add-Type -AssemblyName System.Windows.Forms
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# XAML for the GUI
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[xml]$xaml = @"
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<Window
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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Title="Signing Tool" Height="400" Width="600"
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WindowStartupLocation="CenterScreen">
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<Grid Margin="10">
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto"/>
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<RowDefinition Height="*"/>
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<RowDefinition Height="Auto"/>
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</Grid.RowDefinitions>
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<!-- Header -->
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<StackPanel Grid.Row="0" Margin="0,0,0,10">
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<TextBlock Text="Signing Tool" FontSize="24" FontWeight="Bold" Margin="0,0,0,10"/>
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<Separator/>
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</StackPanel>
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<!-- Main Content -->
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<TabControl Grid.Row="1" Margin="0,10">
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<!-- Sign Tab -->
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<TabItem Header="Sign Executable">
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<Grid Margin="10">
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto"/>
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<RowDefinition Height="Auto"/>
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<RowDefinition Height="*"/>
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</Grid.RowDefinitions>
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<GroupBox Header="Certificate" Grid.Row="0" Margin="0,0,0,10">
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<StackPanel Margin="5">
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<TextBlock Text="Using certificate:" Margin="0,0,0,5"/>
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<TextBox Name="txtCertPath" IsReadOnly="True" Margin="0,0,0,5"/>
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</StackPanel>
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</GroupBox>
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<GroupBox Header="Executable" Grid.Row="1" Margin="0,0,0,10">
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<Grid Margin="5">
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="*"/>
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<ColumnDefinition Width="Auto"/>
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</Grid.ColumnDefinitions>
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<TextBox Name="txtExePath" Grid.Column="0" Margin="0,0,5,0"/>
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<Button Name="btnBrowseExe" Content="Browse..." Grid.Column="1" Width="80"/>
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</Grid>
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</GroupBox>
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<GroupBox Header="Status" Grid.Row="2">
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<TextBox Name="txtLog" IsReadOnly="True" TextWrapping="Wrap"
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VerticalScrollBarVisibility="Auto" Margin="5"/>
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</GroupBox>
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</Grid>
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</TabItem>
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<!-- Create Certificate Tab -->
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<TabItem Header="Create Certificate">
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<Grid Margin="10">
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto"/>
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<RowDefinition Height="*"/>
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</Grid.RowDefinitions>
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<StackPanel Grid.Row="0">
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<TextBlock TextWrapping="Wrap" Margin="0,0,0,10">
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This will create a new self-signed certificate for code signing.
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The certificate will be valid for 5 years.
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</TextBlock>
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<Button Name="btnCreateCert" Content="Create Certificate"
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HorizontalAlignment="Left" Padding="20,5"/>
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</StackPanel>
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<GroupBox Header="Status" Grid.Row="1" Margin="0,10,0,0">
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<TextBox Name="txtCertLog" IsReadOnly="True" TextWrapping="Wrap"
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VerticalScrollBarVisibility="Auto" Margin="5"/>
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</GroupBox>
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</Grid>
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</TabItem>
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</TabControl>
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<!-- Footer -->
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<StackPanel Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Right">
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<Button Name="btnSign" Content="Sign" Width="80" Margin="0,0,10,0"/>
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<Button Name="btnClose" Content="Close" Width="80"/>
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</StackPanel>
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</Grid>
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</Window>
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"@
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# Create the window
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$reader = New-Object System.Xml.XmlNodeReader $xaml
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$window = [Windows.Markup.XamlReader]::Load($reader)
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# Get controls
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$controls = @{}
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$xaml.SelectNodes("//*[@Name]") | ForEach-Object {
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$controls[$_.Name] = $window.FindName($_.Name)
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}
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# Script variables
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$script:certPath = Join-Path (Split-Path -Parent $MyInvocation.MyCommand.Path) "cert.pfx"
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$script:certPassword = "Adasjusk2025"
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# Update certificate path textbox
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$controls.txtCertPath.Text = $script:certPath
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# Helper function to write to log
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function Write-Log {
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param($Message, $LogBox)
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$controls.$LogBox.AppendText("$Message`n")
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$controls.$LogBox.ScrollToEnd()
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}
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# Browse for executable
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$controls.btnBrowseExe.Add_Click({
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$dialog = New-Object System.Windows.Forms.OpenFileDialog
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$dialog.Filter = "Executable files (*.exe)|*.exe|All files (*.*)|*.*"
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if ($dialog.ShowDialog() -eq 'OK') {
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$controls.txtExePath.Text = $dialog.FileName
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}
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})
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# Create certificate
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$controls.btnCreateCert.Add_Click({
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try {
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Write-Log "Creating new certificate..." "txtCertLog"
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$cert = New-SelfSignedCertificate `
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-Subject "CN=InterJava Projects" `
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-KeyUsage DigitalSignature `
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-KeySpec Signature `
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-KeyLength 2048 `
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-HashAlgorithm SHA256 `
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-Provider "Microsoft Enhanced RSA and AES Cryptographic Provider" `
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-Type CodeSigningCert `
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-NotAfter (Get-Date).AddYears(5) `
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-CertStoreLocation "Cert:\CurrentUser\My"
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Write-Log "Exporting certificate to $script:certPath" "txtCertLog"
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$securePassword = ConvertTo-SecureString -String $script:certPassword -AsPlainText -Force
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$cert | Export-PfxCertificate -FilePath $script:certPath -Password $securePassword
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if (Test-Path $script:certPath) {
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Write-Log "Certificate created successfully!" "txtCertLog"
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$controls.txtCertPath.Text = $script:certPath
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} else {
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throw "Failed to create certificate file"
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}
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} catch {
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Write-Log "Error: $_" "txtCertLog"
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}
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})
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# Sign executable
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$controls.btnSign.Add_Click({
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if (-not $controls.txtExePath.Text) {
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[System.Windows.MessageBox]::Show("Please select an executable to sign.", "Error", "OK", "Error")
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return
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}
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if (-not (Test-Path $script:certPath)) {
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[System.Windows.MessageBox]::Show("Certificate not found. Please create a certificate first.", "Error", "OK", "Error")
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return
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}
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try {
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Write-Log "Starting signing process..." "txtLog"
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# Try to find signtool.exe
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$signToolPaths = @(
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"C:\Program Files (x86)\Windows Kits\10\bin\*\x64\signtool.exe",
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"C:\Program Files (x86)\Windows Kits\10\App Certification Kit\signtool.exe",
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"C:\Program Files\Microsoft SDKs\Windows\v*\bin\signtool.exe"
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)
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$signTool = Get-ChildItem -Path $signToolPaths -ErrorAction SilentlyContinue |
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Sort-Object -Property VersionInfo.ProductVersion -Descending |
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Select-Object -First 1 -ExpandProperty FullName
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if (-not $signTool) {
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throw "signtool.exe not found. Please install Windows SDK."
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} Write-Log "Using signtool: $signTool" "txtLog"
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Write-Log "Signing $($controls.txtExePath.Text)..." "txtLog"
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$arguments = @(
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"sign",
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"/f", $script:certPath,
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"/p", $script:certPassword,
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"/fd", "sha256",
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"/tr", "http://timestamp.digicert.com",
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"/td", "sha256",
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$controls.txtExePath.Text
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)
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$process = Start-Process -FilePath $signTool -ArgumentList $arguments -NoNewWindow -Wait -PassThru
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if ($process.ExitCode -eq 0) {
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Write-Log "File signed successfully!" "txtLog"
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[System.Windows.MessageBox]::Show("File signed successfully!", "Success", "OK", "Information")
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} else {
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throw "Signing failed with exit code: $($process.ExitCode)"
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}
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} catch {
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Write-Log "Error: $_" "txtLog"
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[System.Windows.MessageBox]::Show("Error: $_", "Error", "OK", "Error")
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}
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})
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# Close button
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$controls.btnClose.Add_Click({ $window.Close() })
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# Show the window
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$window.ShowDialog() | Out-Null

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