Microsoft.NET Framework

Question

I keep getting this message when I come to office each morning:

See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ************** Exception Text ************** System.NullReferenceException: Object reference not set to an instance of an object. at Lenovo_DockManager.DockManagerView.b__114_0() ************** Loaded Assemblies ************** mscorlib Assembly Version: 4.0.0.0 Win32 Version: 4.8.9181.0 built by: NET481REL1LAST_C CodeBase: file:///C:/Windows/Microsoft.NET/Framework64/v4.0.30319/mscorlib.dll ---------------------------------------- dockmgr Assembly Version: 1.4.1.2 Win32 Version: 1.4.1.2 CodeBase: file:///C:/Program%20Files/Lenovo/Dock%20Manager/dockmgr.exe ---------------------------------------- Microsoft.VisualBasic Assembly Version: 10.0.0.0 Win32 Version: 14.8.9032.0 built by: NET481REL1 CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/Microsoft.VisualBasic/v4.0_10.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualBasic.dll ---------------------------------------- System Assembly Version: 4.0.0.0 Win32 Version: 4.8.9220.0 built by: NET481REL1LAST_C CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System/v4.0_4.0.0.0__b77a5c561934e089/System.dll ---------------------------------------- System.Core Assembly Version: 4.0.0.0 Win32 Version: 4.8.9220.0 built by: NET481REL1LAST_C CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Core/v4.0_4.0.0.0__b77a5c561934e089/System.Core.dll ---------------------------------------- System.Windows.Forms Assembly Version: 4.0.0.0 Win32 Version: 4.8.9181.0 built by: NET481REL1LAST_C CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Windows.Forms/v4.0_4.0.0.0__b77a5c561934e089/System.Windows.Forms.dll ---------------------------------------- System.Drawing Assembly Version: 4.0.0.0 Win32 Version: 4.8.9032.0 built by: NET481REL1 CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Drawing/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll ---------------------------------------- System.Configuration Assembly Version: 4.0.0.0 Win32 Version: 4.8.9032.0 built by: NET481REL1 CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Configuration/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll ---------------------------------------- System.Xml Assembly Version: 4.0.0.0 Win32 Version: 4.8.9032.0 built by: NET481REL1 CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Xml/v4.0_4.0.0.0__b77a5c561934e089/System.Xml.dll ---------------------------------------- System.Runtime.Remoting Assembly Version: 4.0.0.0 Win32 Version: 4.8.9214.0 built by: NET481REL1LAST_B CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Runtime.Remoting/v4.0_4.0.0.0__b77a5c561934e089/System.Runtime.Remoting.dll ---------------------------------------- dockmgr.resources Assembly Version: 1.4.1.2 Win32 Version: 1.4.1.2 CodeBase: file:///C:/Program%20Files/Lenovo/Dock%20Manager/en-US/dockmgr.resources.DLL ---------------------------------------- System.ServiceProcess Assembly Version: 4.0.0.0 Win32 Version: 4.8.9032.0 built by: NET481REL1 CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.ServiceProcess/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.ServiceProcess.dll ---------------------------------------- System.Management Assembly Version: 4.0.0.0 Win32 Version: 4.8.9032.0 built by: NET481REL1 CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Management/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Management.dll ---------------------------------------- Newtonsoft.Json Assembly Version: 13.0.0.0 Win32 Version: 13.0.1.25517 CodeBase: file:///C:/Program%20Files/Lenovo/Dock%20Manager/Newtonsoft.Json.DLL ---------------------------------------- System.Numerics Assembly Version: 4.0.0.0 Win32 Version: 4.8.9032.0 built by: NET481REL1 CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Numerics/v4.0_4.0.0.0__b77a5c561934e089/System.Numerics.dll ---------------------------------------- System.Runtime.Serialization Assembly Version: 4.0.0.0 Win32 Version: 4.8.9032.0 built by: NET481REL1 CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_MSIL/System.Runtime.Serialization/v4.0_4.0.0.0__b77a5c561934e089/System.Runtime.Serialization.dll ---------------------------------------- System.Data Assembly Version: 4.0.0.0 Win32 Version: 4.8.9214.0 built by: NET481REL1LAST_B CodeBase: file:///C:/windows/Microsoft.Net/assembly/GAC_64/System.Data/v4.0_4.0.0.0__b77a5c561934e089/System.Data.dll ---------------------------------------- ************** JIT Debugging ************** To enable just-in-time (JIT) debugging, the .config file for this application or computer (machine.config) must have the jitDebugging value set in the system.windows.forms section. The application must also be compiled with debugging enabled. For example: When JIT debugging is enabled, any unhandled exception will be sent to the JIT debugger registered on the computer rather than be handled by this dialog box.

Answer 1

Hi, I am Dave, I will help you with this.

That error trace indicates it is the 'Lenovo Dock Manager' application that is generating that error popup.

Completely uninstall that application, restart your PC, then download the latest version of that software from the Lenovo website.

Answer 2

Glad to help!

Answer 3

Thank you. I un-installed the app and will check