Access violation during google synchronization

[dio13579]

Hi, during the synchronization of the agenda with google calendar i recive the following error

There was an error during the execution of this program.
The application might become unstable and even useless.
It's recommended that you save your work and close this application.

Access violation at address 0040498C in module 'EssentialPIM.exe'. Read of address FFFFFFDC.

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Exception log with detailed tech info. Generated on 08/10/2010 19.57.
You may send it to the application vendor, helping him to understand what had happened.
Application title: agenda ultima.epim - EssentialPIM Pro
Application file: C:\Programmi\EssentialPIM Pro\EssentialPIM.exe
Application: EssentialPIM Pro 3.74
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Exception class: EAccessViolation
Exception message: Access violation at address 0040498C in module 'EssentialPIM.exe'. Read of address FFFFFFDC.
Exception address: 0040498C
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Main thread ID = 2360
Exception thread ID = 2360
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Object Logs:
17113687 TTask Store 233997384963268777
17113671 TTask Store 255359548431753595
17113671 TTask Store 280776287638683184
17113671 TTask Store 234272717741719737
17113656 TTask Store 270259797476746120
17113656 TTask Store 218547846813922899
17113656 TTask Store 279943366780523066
17113640 TTask Store 253956952559474692
17113640 TTask Store 234531613161410645
17113640 TTask Store 266551289655842253
17113625 TTask Store 221660469456470935
17113625 TTask Store 232753463823489120
17113625 TTask Store 239809911412534801
17113609 TTask Store 247432348725042024
17113609 TTask Store 270269767766957109
17113609 TTask Store 261615199232300114
17113593 TTask Store 277396438343808890
17113593 TTask Store 229859960414343777
17113593 TTask Store 271722934767459095
17113593 TTask Store 266530501570233641
17113578 TTask Store 226068169144570236
17113578 TTask Store 287003174279345846
17113578 TTask Store 228475452125665418
17113562 TTask Store 280490538456413706
17113562 TTask Store 259731853725129648
17113562 TTask Store 220013869534053300
17113546 TTask Store 243188246036035695
17113546 TTask Store 223511666966705296
17113546 TTask Store 286492459903076330
17113531 TTask Store 217778290635396639
17113531 TTask Store 277241522226251953
17070234 TTask Change 233997384963268777
17070234 TTask Change 233997384963268777
17070234 TTask Change 233997384963268777
17070234 TTask Change 233997384963268777
17070234 TTask Change 255359548431753595
17070234 TTask Change 255359548431753595
17070234 TTask Change 255359548431753595
17070234 TTask Change 255359548431753595
17070234 TTask Change 280776287638683184

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Acive Controls:
17726578 ExceptionDialog TextMemo
17068468 StatusForm Panel1 CancelBtn
16832218 MainForm LeftPan CalendarPan CalendarFrame0 CalendarSG
16593218 MainForm FormPan FormPan2 TasksForm
16592218 MainForm FormPan FormPan2 TasksForm NavRightBtn
16067218 MainForm FormPan FormPan2 TasksForm
16066218 MainForm FormPan FormPan2 TasksForm NavLeftBtn
16065218 MainForm FormPan FormPan2 TasksForm
16064218 MainForm FormPan FormPan2 TasksForm NavLeftBtn
16062218 MainForm FormPan FormPan2 TasksForm

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Exception stack
Stack list, generated 08/10/2010 19.57
(0000398C){EssentialPIM.exe} [0040498C]
(004783B8){EssentialPIM.exe} [008793B8]
(00482537){EssentialPIM.exe} [00883537]
(00109DFD){EssentialPIM.exe} [0050ADFD]
(0002FADC){EssentialPIM.exe} [00430ADC]
(000A2A43){EssentialPIM.exe} [004A3A43]
(004D52DE){EssentialPIM.exe} [008D62DE]
(0063D197){EssentialPIM.exe} [00A3E197]
(0063D253){EssentialPIM.exe} [00A3E253]
(0063DB34){EssentialPIM.exe} [00A3EB34]
(00650A64){EssentialPIM.exe} [00A51A64]
------------------------------------------------------------------------------
Call stack for main thread
Stack list, generated 08/10/2010 19.57
(0000D4F4){ntdll.dll } [7C91E4F4]
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System : Windows XP Professional, Version: 5.1, Build: A28, "Service Pack 3"
Memory: 1006; free 614
Display : 1280x1024 pixels, 32 bpp
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Somehow the agenda synchronize anyway because google calendar show all my appointments correctly, but if i delete or change some event on epim and synch again, epim creates some duplicate of only some events (and i get again the same error above).

Somebody knows any solution?
Thanks in advance.