Hello everyone, 

I got a strange problem, when I try to register a new file type, I got a
application error with a error message : _failed to get data for "._

Here is the error log :
Exception class: ERegistryException
Exception address: 0044BFE0
--------------------------------------------------------------------------------
--------------------
Stack list, generated 2009/12/17 8:29:33
[0044BFDB] Registry.TRegistry.GetData + $53
[0044BE78] Registry.TRegistry.ReadString + $38
[00629F1F] uSettings.TfSettings.RegistrFileType (Line 1597, "uSettings.pas" +
15) + $8
[00629D33] uSettings.TfSettings.aAddItemClick (Line 1552, "uSettings.pas" + 10)
+ $7
[004A0D60] Controls.TControl.Click + $64
[0047E720] StdCtrls.TButton.Click + $1C
[0047E814] StdCtrls.TButton.CNCommand + $C
[004A0BC8] Controls.TControl.WndProc + $188
[004A3C27] Controls.TWinControl.WndProc + $157
[0047E5E4] StdCtrls.TButtonControl.WndProc + $6C
[004A0998] Controls.TControl.Perform + $24
[004A3D5F] Controls.DoControlMsg + $23
[004A43B7] Controls.TWinControl.WMCommand + $B
[004A0BC8] Controls.TControl.WndProc + $188
[0042146C] Classes.TThreadList.UnlockList + $4
[00433240] Graphics.FreeMemoryContexts + $98
[004A38A4] Controls.TWinControl.MainWndProc + $2C
[004A38B9] Controls.TWinControl.MainWndProc + $41
[004A3C27] Controls.TWinControl.WndProc + $157
[004A38A4] Controls.TWinControl.MainWndProc + $2C
[0042B530] Classes.StdWndProc + $14
[0042A5E9] Classes.TComponent.UpdateAction + $D
[0048D022] Forms.ProcessUpdate + $1A
[004048A2] syst...@isclass + $E
[004A3D0B] Controls.TWinControl.DefaultHandler + $D7
[004A1168] Controls.TControl.WMLButtonUp + $10
[004A0BC8] Controls.TControl.WndProc + $188
[004F0040] TntForms.GetMessageForNT (Line 754, "TntForms.pas" + 10) + $9
[004A3A4F] Controls.TWinControl.IsControlMouseMsg + $13
[004A3C27] Controls.TWinControl.WndProc + $157
[0047E5E4] StdCtrls.TButtonControl.WndProc + $6C
[004A38A4] Controls.TWinControl.MainWndProc + $2C
[0042B530] Classes.StdWndProc + $14
[00490EE5] Forms.TApplication.StopHintTimer + $15
[0049015F] Forms.TApplication.ProcessMessage + $83
[00490196] Forms.TApplication.HandleMessage + $A
[0048CC21] Forms.TCustomForm.ShowModal + $15D
[006A510C] uMain.TfPSPad.aRegistrExecute (Line 6131, "uMain.pas" + 6) + $9
[006B1A30] uMain.TfPSPad.ActionListExecute (Line 10676, "uMain.pas" + 8) + $7
[00483A3C] ActnList.TCustomActionList.ExecuteAction + $14
[00483684] ActnList.TContainedAction.Execute + $14
[00484343] ActnList.TCustomAction.Execute + $4F
[0042A74F] Classes.TBasicActionLink.Execute + $13
[00497273] Menus.TMenuItem.Click + $8F
[00498463] Menus.TMenu.DispatchCommand + $13
[0048B9DF] Forms.TCustomForm.WMCommand + $1F
[004A0BC8] Controls.TControl.WndProc + $188
[004A3C27] Controls.TWinControl.WndProc + $157
[00489A3D] Forms.TCustomForm.WndProc + $421
[0042146C] Classes.TThreadList.UnlockList + $4
[00433240] Graphics.FreeMemoryContexts + $98
[004A38A4] Controls.TWinControl.MainWndProc + $2C
[004A38B9] Controls.TWinControl.MainWndProc + $41
[004A3C27] Controls.TWinControl.WndProc + $157
[00489A3D] Forms.TCustomForm.WndProc + $421
[0042B530] Classes.StdWndProc + $14
[004A3C27] Controls.TWinControl.WndProc + $157
[00489A3D] Forms.TCustomForm.WndProc + $421
[004F1255] TntControls.TWinControlTrap.WindowProc (Line 662, "TntControls.pas" +
19) + $5
[004A38A4] Controls.TWinControl.MainWndProc + $2C
[0042B530] Classes.StdWndProc + $14
[004F0EB8] TntControls.TWinControlTrap.Win32Proc (Line 550, "TntControls.pas" +
12) + $19
[0042B530] Classes.StdWndProc + $14
[0049015F] Forms.TApplication.ProcessMessage + $83
[00490196] Forms.TApplication.HandleMessage + $A
[004903C6] Forms.TApplication.Run + $96
[006D7BB1] PSPad.PSPad (Line 55, "I:\Delphi7\Projekty\PSPad\PSPad.dpr" + 31) +
$7
--------------------------------------------------------------------------------
--------------------
Program  : C:\Program Files\PSPad editor\PSPad.exe  4.5.4 (2356)
System   : Windows Vista Professional, Version: 6.0, Build: 1772, "Service Pack
2"
Processor: Intel, Intel(R) Core(TM)2 Solo CPU    U3500  @ 1.40GHz, 1400 MHz MMX
Display  : 1366x768 pixels, 32 bpp
--------------------------------------------------------------------------------
--------------------
Active Controls Hierarchy:
TfSettings "fSettings"
--------------------------------------------------------------------------------
--------------------

My system is Vista Business SP2.

Can anyone tell me how to resolve this problem? Thanks alot.:-D

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

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