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This Error occur in some computers only, why ?

    Question

  • 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 Step_3.Step3..ctor(String[] xNames, Boolean xvisible)
       at STEP1.Step1.Timer_Step1_Load(Object sender, EventArgs e)
       at System.Windows.Forms.Timer.OnTick(EventArgs e)
       at System.Windows.Forms.Timer.TimerNativeWindow.WndProc(Message& m)
       at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)


    ************** Loaded Assemblies **************
    mscorlib
        Assembly Version: 4.0.0.0
        Win32 Version: 4.0.30319.17929 built by: FX45RTMREL
        CodeBase: file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/mscorlib.dll
    ----------------------------------------
    STEP1
        Assembly Version: 1.0.0.0
        Win32 Version: 1.0.0.0
        CodeBase: file:///D:/Interface/STEP1.exe
    ----------------------------------------
    System.Windows.Forms
        Assembly Version: 4.0.0.0
        Win32 Version: 4.0.30319.17929 built by: FX45RTMREL
        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: 4.0.30319.17929 built by: FX45RTMREL
        CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Drawing/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll
    ----------------------------------------
    System
        Assembly Version: 4.0.0.0
        Win32 Version: 4.0.30319.17929 built by: FX45RTMREL
        CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System/v4.0_4.0.0.0__b77a5c561934e089/System.dll
    ----------------------------------------
    System.Data
        Assembly Version: 4.0.0.0
        Win32 Version: 4.0.30319.17929 built by: FX45RTMREL
        CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_32/System.Data/v4.0_4.0.0.0__b77a5c561934e089/System.Data.dll
    ----------------------------------------
    System.Core
        Assembly Version: 4.0.0.0
        Win32 Version: 4.0.30319.17929 built by: FX45RTMREL
        CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Core/v4.0_4.0.0.0__b77a5c561934e089/System.Core.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:

    <configuration>
        <system.windows.forms jitDebugging="true" />
    </configuration>

    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.

    • Moved by Caillen Wednesday, March 11, 2015 7:54 AM
    Thursday, March 05, 2015 6:59 PM

Answers

  • Hi,

    This should be a Windows Forms or debugging question. Please post in the correct forum.

    You can firstly check if there're any problems with the Timer's OnTick event handler, as shown in the exception message.


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    Wednesday, March 11, 2015 7:59 AM