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"Sorry, an error occur during loading options."

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The last couple of days, whenever I launch the AirVPN client (Windows 7 x64), I get the error message "Sorry, an error occur during loading options. Options reverted to default."

It then requires me to agree to the user agreement again, re-enter my username and password, etc.

After that, it I try to enter the AirVPN Preferences, I get a message generated by Microsoft .NET Framework, "Unhandled exception has occurred in your application," with the details shown below.

What do I need to do to get the AirVPN client working properly again?

************** Exception Text **************

System.NullReferenceException: Object reference not set to an instance of an object.

at Air.MainForm.mnuSettings_Click(Object sender, EventArgs e)

at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)

at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)

at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)

at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)

at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)

at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)

at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)

at System.Windows.Forms.Control.WndProc(Message& m)

at System.Windows.Forms.ToolStrip.WndProc(Message& m)

at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m)

at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)

at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

************** Loaded Assemblies **************


Assembly Version:

Win32 Version: 2.0.50727.5466 (Win7SP1GDR.050727-5400)

CodeBase: file:///C:/Windows/Microsoft.NET/Framework64/v2.0.50727/mscorlib.dll



Assembly Version:

Win32 Version:

CodeBase: file:///C:/Program%20Files%20(x86)/AirVPN/AirVPN.exe



Assembly Version:

Win32 Version: 2.0.50727.5460 (Win7SP1GDR.050727-5400)

CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Windows.Forms/



Assembly Version:

Win32 Version: 2.0.50727.5466 (Win7SP1GDR.050727-5400)

CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System/



Assembly Version:

Win32 Version: 2.0.50727.5462 (Win7SP1GDR.050727-5400)

CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Drawing/



Assembly Version:

Win32 Version: 2.0.50727.5420 (Win7SP1.050727-5400)

CodeBase: file:///C:/Windows/assembly/GAC_MSIL/System.Xml/


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have you ran your system updates? I notice the other day there was a netframework update, and what about "un-install" and then re-install of the client?

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I have .NET Framework 4 installed.

However, I believe I discovered the source of the problem: AirVPN.xml. I found this file in the folder with AirVPN.exe. I assume AirVPN.xml is where the settings are stored. I deleted it, then restarted AirVPN.exe. After the initial need to make the settings, AirVPN.exe now seems to work OK on subsequent launches.

So I guess my AirVPN.xml was corrupted, although I'm not sure how or why that would happen. In any case, I'll post here again if the problem reappears.

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