Error launching PdfCreator.exe

As per subject, after an apparently succeeded installation, calling PDFCreator results in an RTE:


Error Report for PDFCreator v2.1.0.807

Exception:
System.NullReferenceException: Riferimento a un oggetto non impostato su un'istanza di oggetto.
   in pdfforge.PDFCreator.Helper.WelcomeSettingsHelper.GetWelcomeVersionFromRegistry()
   in pdfforge.PDFCreator.Views.MainWindow.MainWindow_OnLoaded(Object sender, RoutedEventArgs e)
   in System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   in System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   in MS.Internal.FrameworkObject.OnLoaded(RoutedEventArgs args)
   in System.Windows.BroadcastEventHelper.BroadcastEvent(DependencyObject root, RoutedEvent routedEvent)
   in System.Windows.BroadcastEventHelper.BroadcastLoadedEvent(Object root)
   in System.Windows.Media.MediaContext.FireLoadedPendingCallbacks()
   in System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
   in System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
   in System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
   in System.Windows.Interop.HwndTarget.OnResize()
   in System.Windows.Interop.HwndTarget.HandleMessage(WindowMessage msg, IntPtr wparam, IntPtr lparam)
   in System.Windows.Interop.HwndSource.HwndTargetFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   in MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   in MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   in System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   in MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
   in System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   in MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)

Environment:
Microsoft Windows NT 6.2.9200.0

Environment variables:
PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 60 Stepping 3, GenuineIntel
PROCESSOR_ARCHITECTURE=AMD64
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
PROCESSOR_REVISION=3c03
VS110COMNTOOLS=C:\\Program Files (x86)\\Microsoft Visual Studio 11.0\\Common7\\Tools\\
SystemRoot=C:\\Windows
ADT_HOME=C:\\Program Files (x86)\\Android\\android-sdk
FP_NO_HOST_CHECK=NO
CommonProgramFiles=C:\\Program Files\\Common Files
ProgramData=C:\\ProgramData
VS120COMNTOOLS=C:\\Program Files (x86)\\Microsoft Visual Studio 12.0\\Common7\\Tools\\
ALLUSERSPROFILE=C:\\ProgramData
CommonProgramW6432=C:\\Program Files\\Common Files
SESSIONNAME=Console
CommonProgramFiles(x86)=C:\\Program Files (x86)\\Common Files
HOMEDRIVE=C:
windir=C:\\Windows
NUMBER_OF_PROCESSORS=4
OS=Windows_NT
ProgramFiles=C:\\Program Files
ComSpec=C:\\Windows\\system32\\cmd.exe
JAVA_HOME=C:\\Program Files (x86)\\Java\\jdk1.7.0_55
PSModulePath=C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\Modules\\
PROCESSOR_LEVEL=6
Path=C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program Files (x86)\\Skype\\Phone\\;C:\\Program Files (x86)\\Windows Live\\Shared;C:\\Program Files (x86)\\Windows Kits\\8.1\\Windows Performance Toolkit\\;C:\\Program Files\\Microsoft SQL Server\\110\\Tools\\Binn\\;C:\\Program Files (x86)\\Microsoft SDKs\\TypeScript\\1.0\\;C:\\Program Files\\Microsoft SQL Server\\120\\Tools\\Binn\\;C:\\Program Files (x86)\\Java\\jdk1.7.0_55\\bin;C:\\Program Files (x86)\\Android\\android-sdk\\tools;C:\\Program Files (x86)\\Android\\android-sdk\\platform-tools;C:\\apache-ant-1.9.3\\bin;C:\\Program Files (x86)\ odejs\\;C:\\Program Files (x86)\\Git\\cmd
ANT_HOME=C:\\apache-ant-1.9.3

Hi,


do you still have this error in version 2.1.1?
Do you get the same error if you run the pdfcreator.exe for the second time?

best regards,