#1170 Error when trying to delete multiple files

[queensoft]

Version FMA 2.1 Beta 4
Windows XP SP2
AMD XP 2600+, 1 Gb RAM, 250+80 Gb HDD, 2 DVD writers
Sony Ericsson K300
USB cable, COM5 connection
Selected multiple files (camera pictures), download all files, everything is OK.
After download, delete files (click on X icon). After a while I noticed it only deleted 8 files and 5 files were not deleted.
Select all files, pressed X icon, received error.
The thing is, if I wait a few minutes, I'm able to select/delete multiple files again, but just once, then I get the same error.

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Exception class: EAccessViolation
Exception message: Access violation at address 00749E0C in module 'MobileAgent.exe'. Read of address 0000000F
Exception address: 00749E0C
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Stack list, generated 8/2/2007 7:28:56 PM
[00749E0C] Unit1.TForm1.DoRemoveGroupMemberOrFile (Line 7464, "Unit1.pas" + 35) + $25
[00404813] System.@HandleAnyException + $33
[004A1CD3] Controls.TWinControl.SetFocus + $33
[0049F7F3] Controls.TWinControl.WndProc + $157
[004A1CD3] Controls.TWinControl.SetFocus + $33
[00735ADE] Unit1.TForm1.ActionDeleteExecute (Line 3619, "Unit1.pas" + 21) + $2
[0042C9AB] Classes.TBasicAction.Execute + $F
[004BD6B5] ActnList.TContainedAction.Execute + $31
[004BE357] ActnList.TCustomAction.Execute + $4F
[0042C87F] Classes.TBasicActionLink.Execute + $13
[0049C8C1] Controls.TControl.Click + $4D
[0047CD34] ComCtrls.TToolButton.Click + $0
[0049CD2E] Controls.TControl.WMLButtonUp + $5E
[0049C740] Controls.TControl.WndProc + $188
[0059C3A1] CoolTrayIcon.TCoolTrayIcon.HookFormProc (Line 1043, "CoolTrayIcon.pas" + 69) + $35
[0042D040] Classes.StdWndProc + $14
[0049F7F3] Controls.TWinControl.WndProc + $157
[0049C510] Controls.TControl.Perform + $24
[0049F554] Controls.GetControlAtPos + $98
[0049F5EC] Controls.TWinControl.ControlAtPos + $78
[0049C510] Controls.TControl.Perform + $24
[0049F68A] Controls.TWinControl.IsControlMouseMsg + $82
[0049F776] Controls.TWinControl.WndProc + $DA
[0047EA76] ComCtrls.TToolBar.UpdateButtonStates + $36
[00480FED] ComCtrls.TToolBar.WndProc + $241
[0054E19A] UniTntCtrls.TToolBar.WndProc (Line 309, "UniTntCtrls.pas" + 3) + $4
[0049F470] Controls.TWinControl.MainWndProc + $2C
[0042D040] Classes.StdWndProc + $14
[004354EA] Contnrs.TComponentList.GetItems + $A
[004B95BB] Forms.TApplication.ProcessMessage + $83
[004B95F2] Forms.TApplication.HandleMessage + $A
[004B9822] Forms.TApplication.Run + $96
[00777925] MobileAgent.MobileAgent (Line 115, "C:\Projects\FMA\fma\trunk\MobileAgent.dpr" + 16) + $2
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System : Windows XP Professional, Version: 5.1, Build: A28, "Service Pack 2"
Processor: AMD, AMD Athlon(tm) XP 2600+, 1920 MHz MMX
Display : 1280x1024 pixels, 32 bpp
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List of loaded modules:
[00400000] C:\Program Files\FMA 2\MobileAgent.exe
2.1.4.0 - 2.1.4.0
Mobile Agent
[02670000] C:\Program Files\FMA 2\sframework\helper\wmpuice.dll
<10000000> 1.2.0.0 - 1.2
uICE WMP Plugin
[026B0000] C:\PROGRA~1\FMA2~1\SFRAME~1\helper\WINAMP~1.DLL
<00400000> 1.3.1.9 - 1.3.1.9
Winamp COM Object
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Active Controls hiearchy:
TVirtualStringTree "ListItems"
TfrmExplore "frmExplore"
TTntPanel "FramePanel"
TForm1 "Form1"
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