Per il momento ho risolto temporaneamente come la volta scorsa: se lascio la chiave di registro corrispondente ma vuota la sidebar non si avvia ma se la cancello si riavvia da sola

(ecco perchè avevo pensato ad un malware) evidentemente la cancellazione della chiave è stata provocata dalla procedura di aggiornamento... Vorrei lo stesso andare in fondo alla faccenda: questo comportamento non è normale... posto il log di hijackthis.
Ho dovuto lanciare hijackthis in modalità amministratore perchè altrimenti diceva di non poter accedere a dei file della cartella system32 (se non ricordo male)
Codice:
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 22.14.19, on 13/02/2010
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.18882)
Boot mode: Normal
Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\system32\taskeng.exe
C:\Windows\Explorer.EXE
C:\Program Files\P4G\BatteryLife.exe
C:\Windows\system32\taskeng.exe
C:\Program Files\ASUS\ASUS Live Update\ALU.exe
C:\Program Files\ASUS\SmartLogon\sensorsrv.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\ASUSTek\ASUSDVD 8\PDVD8Serv.exe
C:\Program Files\Cyberlink\Power2Go\CLMLSvc.exe
C:\Program Files\ASUS\ATK Hotkey\HControlUser.exe
C:\Program Files\ASUS\ATKOSD2\ATKOSD2.exe
C:\Program Files\ASUS\ATK Media\DMedia.exe
C:\Windows\System32\igfxtray.exe
C:\Windows\System32\hkcmd.exe
C:\Windows\System32\igfxpers.exe
C:\Program Files\Realtek\Audio\HDA\RtHDVCpl.exe
C:\Windows\system32\igfxsrvc.exe
C:\Program Files\Elantech\ETDCtrl.exe
C:\Program Files\AmIcoSingLun\AmIcoSinglun.exe
C:\Windows\AsScrPro.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Common Files\Java\Java Update\jusched.exe
C:\Program Files\Nokia\Nokia PC Suite 7\PCSuite.exe
C:\Program Files\WIDCOMM\Bluetooth Software\BTTray.exe
C:\Program Files\SRS Labs\SRS Premium Sound Control Panel\SRSPremiumPanel.exe
C:\Program Files\PC Connectivity Solution\Transports\NclMSBTSrv.exe
C:\Windows\system32\Taskmgr.exe
D:\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://asus.msn.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://asus.msn.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Program Files\Microsoft\Search Enhancement Pack\Search Helper\SEPsearchhelperie.dll
O2 - BHO: Guida per l'accesso a Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: Windows Live Toolbar Helper - {E15A8DC0-8516-42A1-81EA-DC94EC1ACF10} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O3 - Toolbar: &Windows Live Toolbar - {21FA44EF-376D-4D53-9B0F-8A89D3229068} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [DisableS3S4] c:\DisableS3S4.cmd
O4 - HKLM\..\Run: [RemoteControl8] "C:\Program Files\ASUSTek\ASUSDVD 8\PDVD8Serv.exe"
O4 - HKLM\..\Run: [PDVD8LanguageShortcut] "C:\Program Files\ASUSTek\ASUSDVD 8\Language\Language.exe"
O4 - HKLM\..\Run: [UpdateLBPShortCut] "C:\Program Files\CyberLink\LabelPrint\MUITransfer\MUIStartMenu.exe" "C:\Program Files\CyberLink\LabelPrint" UpdateWithCreateOnce "Software\CyberLink\LabelPrint\2.5"
O4 - HKLM\..\Run: [CLMLServer] "C:\Program Files\Cyberlink\Power2Go\CLMLSvc.exe"
O4 - HKLM\..\Run: [UpdateP2GoShortCut] "C:\Program Files\CyberLink\Power2Go\MUITransfer\MUIStartMenu.exe" "C:\Program Files\CyberLink\Power2Go" UpdateWithCreateOnce "SOFTWARE\CyberLink\Power2Go\6.0"
O4 - HKLM\..\Run: [HControlUser] C:\Program Files\ASUS\ATK Hotkey\HControlUser.exe
O4 - HKLM\..\Run: [ATKOSD2] C:\Program Files\ASUS\ATKOSD2\ATKOSD2.exe
O4 - HKLM\..\Run: [ATKMEDIA] C:\Program Files\ASUS\ATK Media\DMedia.exe
O4 - HKLM\..\Run: [IgfxTray] C:\Windows\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\Windows\system32\hkcmd.exe
O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe
O4 - HKLM\..\Run: [RtHDVCpl] C:\Program Files\Realtek\Audio\HDA\RtHDVCpl.exe
O4 - HKLM\..\Run: [ETDWare] C:\Program Files\Elantech\ETDCtrl.exe
O4 - HKLM\..\Run: [AmIcoSinglun] C:\Program Files\AmIcoSingLun\AmIcoSinglun.exe
O4 - HKLM\..\Run: [ASUS Screen Saver Protector] C:\Windows\AsScrPro.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Common Files\Java\Java Update\jusched.exe"
O4 - HKCU\..\Run: [PC Suite Tray] "C:\Program Files\Nokia\Nokia PC Suite 7\PCSuite.exe" -onlytray
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVIZIO DI RETE')
O4 - Global Startup: Bluetooth.lnk = ?
O4 - Global Startup: FancyStart daemon.lnk = ?
O4 - Global Startup: SRS Premium Sound.lnk = ?
O8 - Extra context menu item: Add to Google Photos Screensa&ver - res://C:\Windows\system32\GPhotos.scr/200
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~1\Office12\EXCEL.EXE/3000
O9 - Extra button: Inserisci blog - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: Inserisci &blog in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~1\Office12\REFIEBAR.DLL
O13 - Gopher Prefix:
O23 - Service: Avira AntiVir Scheduler (AntiVirScheduler) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: ASLDR Service (ASLDRService) - Unknown owner - C:\Program Files\ASUS\ATK Hotkey\ASLDRSrv.exe
O23 - Service: ATKGFNEX Service (ATKGFNEXSrv) - Unknown owner - C:\Program Files\ATKGFNEX\GFNEXSrv.exe
O23 - Service: Bluetooth Service (btwdins) - Broadcom Corporation. - C:\Program Files\WIDCOMM\Bluetooth Software\bin\btwdins.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Norton Internet Security - Unknown owner - C:\Program Files\Norton Internet Security\Engine\16.0.0.125\ccSvcHst.exe (file missing)
O23 - Service: Cyberlink RichVideo Service(CRVS) (RichVideo) - Unknown owner - C:\Program Files\Cyberlink\Shared files\RichVideo.exe
O23 - Service: ServiceLayer - Nokia - C:\Program Files\PC Connectivity Solution\ServiceLayer.exe
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End of file - 7469 bytes