Hi, I've installed on Vista the trial controls form WinForms (RadControls_WinForms_2009_1_414_trial) and when starts the example I obtain this messagge:
System.ArgumentException non è stata gestita
  Message="Il tipo di carattere 'Lucida Sans' non supporta lo stile 'Regular'."
  Source="System.Drawing"
  StackTrace:
       in System.Drawing.Font.CreateNativeFont()
       in System.Drawing.Font.Initialize(FontFamily family, Single emSize, FontStyle style, GraphicsUnit unit, Byte gdiCharSet, Boolean gdiVerticalFont)
       in System.Drawing.Font.Initialize(String familyName, Single emSize, FontStyle style, GraphicsUnit unit, Byte gdiCharSet, Boolean gdiVerticalFont)
       in System.Drawing.Font..ctor(String familyName, Single emSize, FontStyle style, GraphicsUnit unit, Byte gdiCharSet)
       in Telerik.QuickStart.WinControls.MainForm.InitializeComponent()
       in Telerik.QuickStart.WinControls.MainForm..ctor()
       in Telerik.QuickStart.WinControls.Program.Main(String[] args) in C:\Users\Minoport\Documents\Visual Studio 2008\RADExamplesWF\Program.vb:riga 19
       in System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args)
       in System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
       in Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
       in System.Threading.ThreadHelper.ThreadStart_Context(Object state)
       in System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       in System.Threading.ThreadHelper.ThreadStart()
  InnerException:

Any help much appreciated
Paolo

Hi Paolo,

Thank you for writing. Please check whether you have Lucida Sans Regular font in the C:\Windows\Fonts directory. I am looking forward to your reply.

Regards,
Victor
the Telerik team

Hi Victor,
wonderful ... the problem was that I've not this font

Thank you

ps. Your controls are  very nice ;-))