Keep getting a fatal error

Exception description:

Access violation at address 000000FF. Read of address 000000FF.

Exception class: EAccessViolation
Exception address: 000000FF
--------------------------------------------------------------------------------
--------------------
Stack list, generated 28/10/2015 16:03:18
(FFFFF0FF) [000000FF]
[00513E5F] SynEdit.TCustomSynEdit.NotifyHookedCommandHandlers (Line 10252,
"SynEdit.pas" + 8) + $1E
[0050FB8A] SynEdit.TCustomSynEdit.DoOnProcessCommand (Line 7945, "SynEdit.pas" +
4) + $11
[0050D382] SynEdit.TCustomSynEdit.CommandProcessor (Line 7026, "SynEdit.pas" +
7) + $E
[0050A16B] SynEdit.TCustomSynEdit.WMKillFocus (Line 5354, "SynEdit.pas" + 2) +
$C
[004A0C94] Controls.TControl.WndProc (Line 4645, "Controls.pas" + 53) + $6
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[0050C32A] SynEdit.TCustomSynEdit.WndProc (Line 6310, "SynEdit.pas" + 22) + $4
[004A3970] Controls.TWinControl.MainWndProc (Line 6237, "Controls.pas" + 3) +
$6
[0042B64C] Classes.StdWndProc + $14
[0048B47B] Forms.TCustomForm.SetWindowFocus + $23
[0048B504] Forms.TCustomForm.SetActive + $5C
[0048BCD7] Forms.TCustomForm.WMActivate + $17
[004A0C94] Controls.TControl.WndProc (Line 4645, "Controls.pas" + 53) + $6
[004A3970] Controls.TWinControl.MainWndProc (Line 6237, "Controls.pas" + 3) +
$6
[004A3985] Controls.TWinControl.MainWndProc (Line 6240, "Controls.pas" + 6) +
$0
[0042B64C] Classes.StdWndProc + $14
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[00489C19] Forms.TCustomForm.WndProc + $421
[00421534] Classes.TThreadList.UnlockList + $4
[004332F4] Graphics.FreeMemoryContexts + $98
[004A3970] Controls.TWinControl.MainWndProc (Line 6237, "Controls.pas" + 3) +
$6
[0042B64C] Classes.StdWndProc + $14
[0048C7D6] Forms.TCustomForm.CMShowingChanged + $426
[004A0C94] Controls.TControl.WndProc (Line 4645, "Controls.pas" + 53) + $6
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[00489C19] Forms.TCustomForm.WndProc + $421
[004A0A64] Controls.TControl.Perform (Line 4552, "Controls.pas" + 5) + $C
[004A3847] Controls.TWinControl.UpdateShowing (Line 6193, "Controls.pas" + 16) +
$C
[004A38B2] Controls.TWinControl.UpdateControlState (Line 6211, "Controls.pas" +
7) + $1C
[004A563E] Controls.TWinControl.CMVisibleChanged (Line 7305, "Controls.pas" + 3)
+ $2
[004A0C94] Controls.TControl.WndProc (Line 4645, "Controls.pas" + 53) + $6
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[00489C19] Forms.TCustomForm.WndProc + $421
[0048A270] Forms.TCustomForm.GetMonitor + $4C
[004A0A64] Controls.TControl.Perform (Line 4552, "Controls.pas" + 5) + $C
[0049F767] Controls.TControl.SetVisible (Line 3734, "Controls.pas" + 5) + $D
[0048970E] Forms.TCustomForm.SetVisible + $3A
[0048CBEF] Forms.TCustomForm.Show + $7
[0048CDBB] Forms.TCustomForm.ShowModal + $123
[0071A632] uException.TExceptionDialog.ShowException (Line 633, "uException.pas"
+ 16) + $7
[004BFE6C] JclDebug.TJclModuleInfoList.IsSystemModuleAddress (Line 1272,
"JclDebug.pas" + 0) + $0
[004C3FC5] JclDebug.ValidCodeAddr (Line 4819, "JclDebug.pas" + 3) + $1
[004C4718] JclDebug.TJclStackInfoList.ValidCallSite (Line 5449, "JclDebug.pas" +
9) + $5
[0071B5B0] PSPad.PSPad (Line 83, "" + 45) + $7
[004C4607] JclDebug.TJclStackInfoList.TraceStackRaw (Line 5372, "JclDebug.pas" +
32) + $7
[00409890] FmpSysMm.FmpSysGetMem (Line 64, "FmpSysMm.pas" + 3) + $0
[00402913] System.@ReallocMem + $3F
[00420F47] Classes.TList.SetCapacity + $2F
[00420D83] Classes.TList.Grow + $2B
[00421534] Classes.TThreadList.UnlockList + $4
[004C3BA4] JclDebug.TJclGlobalStackList.AddObject (Line 4591, "JclDebug.pas" +
12) + $3
[004C40F1] JclDebug.JclCreateStackList (Line 4934, "JclDebug.pas" + 2) + $7
[004C409A] JclDebug.DoExceptionStackTrace (Line 4874, "JclDebug.pas" + 20) + $C
[004C40A2] JclDebug.DoExceptionStackTrace (Line 4874, "JclDebug.pas" + 20) +
$14
[004C4F0A] JclDebug.DoExceptNotify (Line 5893, "JclDebug.pas" + 6) + $A
[004BEB6F] JclHookExcept.TNotifierItem.DoNotify (Line 272, "JclHookExcept.pas" +
5) + $D
[00719F35] uException.TExceptionDialog.ExceptionHandler (Line 453,
"uException.pas" + 7) + $4
[0049066D] Forms.TApplication.HandleException + $61
[004A39AB] Controls.TWinControl.MainWndProc (Line 6243, "Controls.pas" + 9) +
$A
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[00489C19] Forms.TCustomForm.WndProc + $421
[00513E5F] SynEdit.TCustomSynEdit.NotifyHookedCommandHandlers (Line 10252,
"SynEdit.pas" + 8) + $1E
[0050FB8A] SynEdit.TCustomSynEdit.DoOnProcessCommand (Line 7945, "SynEdit.pas" +
4) + $11
[0050D382] SynEdit.TCustomSynEdit.CommandProcessor (Line 7026, "SynEdit.pas" +
7) + $E
[0050A1F0] SynEdit.TCustomSynEdit.WMSetFocus (Line 5378, "SynEdit.pas" + 1) +
$C
[004A0C94] Controls.TControl.WndProc (Line 4645, "Controls.pas" + 53) + $6
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[004A6293] Controls.TWinControl.GetClientRect (Line 7832, "Controls.pas" + 1) +
$9
[00489C19] Forms.TCustomForm.WndProc + $421
[004FA5A9] TntControls.TWinControlTrap.WindowProc (Line 666, "TntControls.pas" +
19) + $5
[004A0A64] Controls.TControl.Perform (Line 4552, "Controls.pas" + 5) + $C
[0048B3ED] Forms.TCustomForm.SetFocusedControl + $229
[0048B440] Forms.TCustomForm.SetFocusedControl + $27C
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[0050C32A] SynEdit.TCustomSynEdit.WndProc (Line 6310, "SynEdit.pas" + 22) + $4
[004A3970] Controls.TWinControl.MainWndProc (Line 6237, "Controls.pas" + 3) +
$6
[0042B64C] Classes.StdWndProc + $14
[0048B47B] Forms.TCustomForm.SetWindowFocus + $23
[0048B122] Forms.TCustomForm.SetActiveControl + $82
[0048B4F4] Forms.TCustomForm.SetActive + $4C
[0048BEF3] Forms.TCustomForm.WMMDIActivate + $2B
[004A0C94] Controls.TControl.WndProc (Line 4645, "Controls.pas" + 53) + $6
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[00489C19] Forms.TCustomForm.WndProc + $421
[004FA5A9] TntControls.TWinControlTrap.WindowProc (Line 666, "TntControls.pas" +
19) + $5
[004A3970] Controls.TWinControl.MainWndProc (Line 6237, "Controls.pas" + 3) +
$6
[0042B64C] Classes.StdWndProc + $14
[004FA204] TntControls.TWinControlTrap.Win32Proc (Line 554, "TntControls.pas" +
12) + $19
[0042B64C] Classes.StdWndProc + $14
[004FA404] TntControls.TWinControlTrap.DefWin32Proc (Line 605, "TntControls.pas"
+ 25) + $19
[0042B64C] Classes.StdWndProc + $14
[004A3DD7] Controls.TWinControl.DefaultHandler (Line 6369, "Controls.pas" + 23)
+ $17
[0048B096] Forms.TCustomForm.DefaultHandler + $5A
[004FBAAC] TntForms.TTntForm.DefaultHandler (Line 390, "TntForms.pas" + 12) +
$4
[004A0C94] Controls.TControl.WndProc (Line 4645, "Controls.pas" + 53) + $6
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[00489C19] Forms.TCustomForm.WndProc + $421
[00421534] Classes.TThreadList.UnlockList + $4
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[004A3970] Controls.TWinControl.MainWndProc (Line 6237, "Controls.pas" + 3) +
$6
[00489C19] Forms.TCustomForm.WndProc + $421
[0042B64C] Classes.StdWndProc + $14
[004FA5A9] TntControls.TWinControlTrap.WindowProc (Line 666, "TntControls.pas" +
19) + $5
[004A3970] Controls.TWinControl.MainWndProc (Line 6237, "Controls.pas" + 3) +
$6
[0042B64C] Classes.StdWndProc + $14
[004FA204] TntControls.TWinControlTrap.Win32Proc (Line 554, "TntControls.pas" +
12) + $19
[0042B64C] Classes.StdWndProc + $14
[0048C741] Forms.TCustomForm.CMShowingChanged + $391
[004A0C94] Controls.TControl.WndProc (Line 4645, "Controls.pas" + 53) + $6
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[00489C19] Forms.TCustomForm.WndProc + $421
[0050C32A] SynEdit.TCustomSynEdit.WndProc (Line 6310, "SynEdit.pas" + 22) + $4
[004A0A64] Controls.TControl.Perform (Line 4552, "Controls.pas" + 5) + $C
[004FA5A9] TntControls.TWinControlTrap.WindowProc (Line 666, "TntControls.pas" +
19) + $5
[004A0A64] Controls.TControl.Perform (Line 4552, "Controls.pas" + 5) + $C
[004A3847] Controls.TWinControl.UpdateShowing (Line 6193, "Controls.pas" + 16) +
$C
[004A38B2] Controls.TWinControl.UpdateControlState (Line 6211, "Controls.pas" +
7) + $1C
[004A563E] Controls.TWinControl.CMVisibleChanged (Line 7305, "Controls.pas" + 3)
+ $2
[004A0C94] Controls.TControl.WndProc (Line 4645, "Controls.pas" + 53) + $6
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[00489C19] Forms.TCustomForm.WndProc + $421
[0048DDA3] Forms.TScreen.GetMonitor + $B
[004FA5A9] TntControls.TWinControlTrap.WindowProc (Line 666, "TntControls.pas" +
19) + $5
[004A0A64] Controls.TControl.Perform (Line 4552, "Controls.pas" + 5) + $C
[0049F767] Controls.TControl.SetVisible (Line 3734, "Controls.pas" + 5) + $D
[0048970E] Forms.TCustomForm.SetVisible + $3A
[00488D8D] Forms.TCustomForm.DoCreate + $71
[00488A2D] Forms.TCustomForm.AfterConstruction + $11
[0040430B] System.@AfterConstruction + $7
[004FB824] TntForms.TTntForm.Create (Line 321, "TntForms.pas" + 17) + $3D
[006EBED1] uMain.TfPSPad.CreateChild (Line 2461, "uMain.pas" + 5) + $D
[006F0F33] uMain.TfPSPad.OpenSynEditFile (Line 4022, "uMain.pas" + 21) + $4
[006F2B38] uMain.TfPSPad.RecentFileClick (Line 4564, "uMain.pas" + 13) + $9
[0049738A] Menus.TMenuItem.Click + $A6
[00498563] Menus.TMenu.DispatchCommand + $13
[0048BBB3] Forms.TCustomForm.WMCommand + $1F
[004A0C94] Controls.TControl.WndProc (Line 4645, "Controls.pas" + 53) + $6
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[00489C19] Forms.TCustomForm.WndProc + $421
[004A3CF3] Controls.TWinControl.WndProc (Line 6342, "Controls.pas" + 33) + $4
[00489C19] Forms.TCustomForm.WndProc + $421
[004FA5A9] TntControls.TWinControlTrap.WindowProc (Line 666, "TntControls.pas" +
19) + $5
[004A3970] Controls.TWinControl.MainWndProc (Line 6237, "Controls.pas" + 3) +
$6
[0042B64C] Classes.StdWndProc + $14
[004FA204] TntControls.TWinControlTrap.Win32Proc (Line 554, "TntControls.pas" +
12) + $19
[0042B64C] Classes.StdWndProc + $14
[0049034B] Forms.TApplication.ProcessMessage + $83
[00490382] Forms.TApplication.HandleMessage + $A
[004905A2] Forms.TApplication.Run + $96
[0071B5B0] PSPad.PSPad (Line 83, "" + 45) + $7
--------------------------------------------------------------------------------
--------------------
Program  : C:\Users\jjoguy\PortableApps\PSPadPortable\App\PSPad\PSPad.exe  4.6.1
(2703)
System   : Windows 7 Professional x32, Version: 6.1, Build: 1DB1, Service Pack
1
Processor: Intel, Intel(R) Core(TM) i7 CPU       L 640  @ 2.13GHz, 2133 MHz MMX
Display  : 1280x800 pixels, 32 bpp
--------------------------------------------------------------------------------
--------------------
Active Controls Hierarchy:
TPSSynEdit "Editor1"
TfChildEdit "fChildEdit"
--------------------------------------------------------------------------------
--------------------

Regards

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PSPad freeware editor http://www.pspad.com

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