[対象]PPDeditor
[x86 or x64]x64
[Windows　OS]Windows7 SP1
[error.logの有無]有

FullName:PPDEditor, Version=0.7.5.0, Culture=neutral, PublicKeyToken=null
Assembly:D:\KHC\PPD\PPDEditor.exe
Name:PPDEditor.exe
FileVersion:0.7.5.0
ProductVersion:0.7.5.0
RefAssembly:mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
RefAssembly:System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
RefAssembly:WeifenLuo.WinFormsUI.Docking, Version=2.8.0.0, Culture=neutral, PublicKeyToken=5cded1a1a0a7b481
RefAssembly:PPDFramework, Version=0.7.5.0, Culture=neutral, PublicKeyToken=null
RefAssembly:PPDEditorCommon, Version=0.7.5.0, Culture=neutral, PublicKeyToken=null
RefAssembly:FlowScriptControl, Version=3.2.0.0, Culture=neutral, PublicKeyToken=null
RefAssembly:System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
RefAssembly:PPDCoreModel, Version=0.7.5.0, Culture=neutral, PublicKeyToken=null
RefAssembly:SlimDX, Version=4.0.13.43, Culture=neutral, PublicKeyToken=b1b0c32fd1ffe4f9
RefAssembly:System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
RefAssembly:System.Windows.Forms.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
RefAssembly:Effect2D, Version=1.5.0.0, Culture=neutral, PublicKeyToken=null
RefAssembly:BezierDrawControl, Version=1.2.0.0, Culture=neutral, PublicKeyToken=null
RefAssembly:PPDSound, Version=0.7.2.0, Culture=neutral, PublicKeyToken=null
RefAssembly:PPDCore, Version=0.7.5.0, Culture=neutral, PublicKeyToken=null
RefAssembly:FlowScriptDrawControl, Version=3.1.1.0, Culture=neutral, PublicKeyToken=null
RefAssembly:System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
RefAssembly:PPDInput, Version=0.6.12.3, Culture=neutral, PublicKeyToken=null
RefAssembly:FlowScriptEngine, Version=3.2.0.0, Culture=neutral, PublicKeyToken=null
RefAssembly:System.Xml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
RefAssembly:System.Xml.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
RefAssembly:BezierCaliculator, Version=1.2.0.0, Culture=neutral, PublicKeyToken=null
RefAssembly:GalaSoft.MvvmLight, Version=4.4.32.18939, Culture=neutral, PublicKeyToken=null
RefAssembly:PPDPack, Version=0.6.13.0, Culture=neutral, PublicKeyToken=null
RefAssembly:ErrorHandle, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
RefAssembly:PPDMovie, Version=0.7.5.0, Culture=neutral, PublicKeyToken=null
System.Collections.ListDictionaryInternal

Arithmetic operation resulted in an overflow.
PPDEditor
at PPDEditor.ExMark.CreateExMark()
at PPDEditor.ExMark.set_EndTime(Single value)
at PPDEditor.Command.PPDSheet.ShiftMarkLineTimeCommand.Execute()
at PPDEditor.Command.CommandManager.AddCommand(Command command)
at PPDEditor.Controls.Seekmain.MoveLine(Int32 linenum, Int32 diff)
at PPDEditor.Controls.Seekex.Seekex_MouseMove(Object sender, MouseEventArgs e)
at System.Windows.Forms.Control.WmMouseMove(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
Void CreateExMark()

どうやったら再現しますか？

さっきのテストしたエラーは出なかった_( :3」∠ )_