AV Bug found Beta 2.3 (build 248)

[MegaGamerGuy]

i keep getting this msg:

Access violation at address 0040489A in module 'hfs.exe'. Read of address 00000001
HFS 2.3 beta (248)
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Stack list, generated 11/12/2009 12:36:06 AM
[0040489A]{hfs.exe     } System.@CallDynaInst (Line 9178, "system.pas" + 2) + $0
[0047A2DC]{hfs.exe     } Controls.TWinControl.DefaultHandler (Line 7273, "Controls.pas" + 23) + $28
[00499964]{hfs.exe     } Forms.TApplication.IsPreProcessMessage (Line 8637, "Forms.pas" + 21) + $A
[00497A79]{hfs.exe     } Forms.TApplication.ProcessMessage (Line 7662, "Forms.pas" + 15) + $6
[00497B27]{hfs.exe     } Forms.TApplication.HandleMessage (Line 7689, "Forms.pas" + 1) + $6
[00497DC2]{hfs.exe     } Forms.TApplication.Run (Line 7773, "Forms.pas" + 16) + $3
[00577DEF]{hfs.exe     } hfs.hfs (Line 99, "" + 21) + $2
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System   : Windows XP Professional, Version: 5.1, Build: A28, "Service Pack 3"
Processor: Intel,                 Intel(R) Celeron(R) CPU 2.53GHz, 2533 MHz MMX
Display  : 1024x768 pixels, 32 bpp
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Product Versions

HFS-Service.exe: Build: 0 10/31/2009 12:34:32 AM
hfs.exe: Build: 0 10/25/2009 9:22:04 PM
hfs.old.exe: Build: 0 10/21/2009 9:15:52 PM
hfs2Service1.0-fixed-TrayIconMonitoring.exe:1.0.0 Build: 0 11/4/2006 12:01:42 AM
hfs2Service1.0-fixed.exe:1.0.0 Build: 0 10/4/2006 10:57:26 PM
proxymini.exe: Build: 0 10/30/2008 10:54:52 PM

[rejetto]

1. how often do you get this message?
2. are you able to get it at will? (that is, to reproduce the problem)
3. have you any idea of what may have caused it?

please answer all the questions