Relevant Products: Signature Manager Exchange Edition | Signature Manager Outlook Edition | Mail Archiver
WARNING! From 1st April 2021 Exclaimer will no longer be renewing any Software Maintenance Agreement (SMA) for Mail Disclaimers.
Please be assured that the Exclaimer Support team will provide support until your SMA is active.
However, we recommend that you contact the Exclaimer Sales team to discuss your requirements for an upgrade to Signature Management Exchange Edition or Exclaimer Cloud - Signatures for Exchange.
Scenario
When launching the Exclaimer console, a message similar to this is displayed on the screen:
ERROR: System.ArgumentNullException: Value cannot be null. Parameter name: value at System.Windows.Forms.ImageList.ImageCollection.Add(Image value) at Exclaimer.Console.MMCSnapIn.AddIcon(IconHolder icon) at Exclaimer.Console.Elements.Action.AddIconToSnapIn(IconHolder newIcon)at Exclaimer.Console.Elements.Action.set_SnapIn(MMCSnapIn value) at Exclaimer.Console.MMCSnapIn.FillActionList(NavBarControl itp) at Exclaimer.Console.Host.Engine.ExclaimerConsole.InitCtls() at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl() at System.Windows.Forms.Control.WmShowWindow(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at Exclaimer.Common.UI.ExclaimerForm.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

Resolution
Please ensure that the Windows DPI display settings are configured to 100%.
Exclaimer products do not support DPI settings other than the system default 100% scaling.