Ciao ragazzi, windows non riesce ad aggiornarsi in maniera automatica... vi allego il log
codice:
2011-09-08	08:40:47:046	1576	be0	Misc	===========  Logging initialized (build: 7.4.7600.226, tz: +0200)  ===========
2011-09-08	08:40:47:046	1576	be0	Misc	  = Process: C:\WINDOWS\System32\svchost.exe
2011-09-08	08:40:47:046	1576	be0	Misc	  = Module: C:\WINDOWS\system32\wuaueng.dll
2011-09-08	08:40:47:046	1576	be0	Service	*************
2011-09-08	08:40:47:046	1576	be0	Service	** START **  Service: Service startup
2011-09-08	08:40:47:046	1576	be0	Service	*********
2011-09-08	08:40:48:796	1576	be0	Agent	  * WU client version 7.4.7600.226
2011-09-08	08:40:48:796	1576	be0	Agent	  * Base directory: C:\WINDOWS\SoftwareDistribution
2011-09-08	08:40:48:796	1576	be0	Agent	  * Access type: No proxy
2011-09-08	08:40:48:812	1576	be0	Agent	  * Network state: Connected
2011-09-08	08:41:37:205	1576	be0	Agent	***********  Agent: Initializing Windows Update Agent  ***********
2011-09-08	08:41:37:205	1576	be0	Agent	***********  Agent: Initializing global settings cache  ***********
2011-09-08	08:41:37:205	1576	be0	Agent	  * WSUS server: <NULL>
2011-09-08	08:41:37:205	1576	be0	Agent	  * WSUS status server: <NULL>
2011-09-08	08:41:37:205	1576	be0	Agent	  * Target group: (Unassigned Computers)
2011-09-08	08:41:37:205	1576	be0	Agent	  * Windows Update access disabled: No
2011-09-08	08:41:37:255	1576	be0	DnldMgr	Download manager restoring 0 downloads
2011-09-08	08:41:37:292	1576	be0	DnldMgr	Retrieved 1 persisted download jobs
2011-09-08	08:41:37:292	1576	be0	DnldMgr	***********  DnldMgr: Restoring download [no. 0]  ***********
2011-09-08	08:41:37:292	1576	be0	DnldMgr	  * BITS JobId = {F0B9B1FD-1E47-4419-8C9A-25D53BEC08BD}
2011-09-08	08:41:37:292	1576	be0	DnldMgr	  * ServiceId = {7971F918-A847-4430-9279-4A52D1EFE18D}
2011-09-08	08:41:37:366	1576	be0	DnldMgr	  * UpdateId = {B11F5B72-5162-4EED-B740-E0B3A26FC56E}.101
2011-09-08	08:41:37:528	1576	be0	DnldMgr	  * Restored download job.
2011-09-08	08:41:37:528	1576	be0	AU	###########  AU: Initializing Automatic Updates  ###########
2011-09-08	08:41:37:528	1576	be0	AU	AU setting next detection timeout to 2011-09-08 06:41:37
2011-09-08	08:41:37:540	1576	be0	AU	AU setting next sqm report timeout to 2011-09-08 06:41:37
2011-09-08	08:41:37:540	1576	be0	AU	  # Approval type: Scheduled (User preference)
2011-09-08	08:41:37:540	1576	be0	AU	  # Scheduled install day/time: Every day at 12:00
2011-09-08	08:41:37:540	1576	be0	AU	  # Auto-install minor updates: Yes (User preference)
2011-09-08	08:41:37:590	1576	be0	AU	Setting AU scheduled install time to 2011-09-08 10:00:00
2011-09-08	08:41:37:602	1576	be0	AU	Initializing featured updates
2011-09-08	08:41:37:602	1576	be0	AU	Found 0 cached featured updates
2011-09-08	08:41:37:602	1576	be0	AU	AU finished delayed initialization
2011-09-08	08:41:38:197	1576	be0	Report	***********  Report: Initializing static reporting data  ***********
2011-09-08	08:41:38:197	1576	be0	Report	  * OS Version = 5.1.2600.3.0.65792
2011-09-08	08:41:38:309	1576	be0	Report	  * Computer Brand = P4V8p
2011-09-08	08:41:38:309	1576	be0	Report	  * Computer Model = P4V88+
2011-09-08	08:41:38:309	1576	be0	Report	  * Bios Revision = P1.20
2011-09-08	08:41:38:309	1576	be0	Report	  * Bios Name = Default System BIOS
2011-09-08	08:41:38:309	1576	be0	Report	  * Bios Release Date = 2005-04-18T00:00:00
2011-09-08	08:41:38:309	1576	be0	Report	  * Locale ID = 1040
2011-09-08	08:41:38:433	1576	be0	AU	#############
2011-09-08	08:41:38:433	1576	be0	AU	## START ##  AU: Search for updates
2011-09-08	08:41:38:433	1576	be0	AU	#########
2011-09-08	08:41:38:433	1576	be0	AU	<<## SUBMITTED ## AU: Search for updates [CallId = {C3089172-662F-4BA9-BD6E-C2F35A2BD7AC}]
2011-09-08	08:41:39:512	1576	 ec	Agent	*************
2011-09-08	08:41:39:512	1576	 ec	Agent	** START **  Agent: Finding updates [CallerId = AutomaticUpdates]
2011-09-08	08:41:39:512	1576	 ec	Agent	*********
2011-09-08	08:41:39:512	1576	 ec	Agent	  * Online = Yes; Ignore download priority = No
2011-09-08	08:41:39:512	1576	 ec	Agent	  * Criteria = "IsHidden=0 and IsInstalled=0 and DeploymentAction='Installation' and IsAssigned=1 or IsHidden=0 and IsPresent=1 and DeploymentAction='Uninstallation' and IsAssigned=1 or IsHidden=0 and IsInstalled=1 and DeploymentAction='Installation' and IsAssigned=1 and RebootRequired=1 or IsHidden=0 and IsInstalled=0 and DeploymentAction='Uninstallation' and IsAssigned=1 and RebootRequired=1"
2011-09-08	08:41:39:512	1576	 ec	Agent	  * ServiceID = {7971F918-A847-4430-9279-4A52D1EFE18D} Third party service
2011-09-08	08:41:39:512	1576	 ec	Agent	  * Search Scope = {Machine}
2011-09-08	08:41:39:574	1576	 ec	Misc	Validating signature for C:\WINDOWS\SoftwareDistribution\WuRedir\9482F4B4-E343-43B6-B170-9A65BC822C77\muv4wuredir.cab:
2011-09-08	08:41:39:698	1576	 ec	Misc	 Microsoft signed: Yes
2011-09-08	08:42:30:305	1576	 ec	Misc	WARNING: Send failed with hr = 80072efd.
2011-09-08	08:42:30:305	1576	 ec	Misc	WARNING: SendRequest failed with hr = 80072efd. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2011-09-08	08:42:30:305	1576	 ec	Misc	WARNING: WinHttp: SendRequestUsingProxy failed for <http://download.windowsupdate.com/v9...uv4wuredir.cab>. error 0x80072efd
2011-09-08	08:42:30:305	1576	 ec	Misc	WARNING: WinHttp: 
[...]

al failed for http://www.update.microsoft.com/v9/w...v4wuredir.cab: error 0x80072efd
2011-09-08	08:48:56:394	1576	 ec	Agent	WARNING: Failed to obtain the authorization cab URLs, hr=0x80072efd
2011-09-08	08:48:56:394	1576	 ec	Agent	  * WARNING: Online service registration/service ID resolution failed, hr=0x80072EFD
2011-09-08	08:48:58:434	1576	 ec	Agent	  * WARNING: Exit code = 0x80072EFD
2011-09-08	08:48:58:434	1576	 ec	Agent	*********
2011-09-08	08:48:58:434	1576	 ec	Agent	**  END  **  Agent: Finding updates [CallerId = AutomaticUpdates]
2011-09-08	08:48:58:434	1576	 ec	Agent	*************
2011-09-08	08:48:58:434	1576	 ec	Agent	WARNING: WU client failed Searching for update with error 0x80072efd
2011-09-08	08:48:58:462	1576	9cc	AU	>>##  RESUMED  ## AU: Search for updates [CallId = {C3089172-662F-4BA9-BD6E-C2F35A2BD7AC}]
2011-09-08	08:48:58:462	1576	9cc	AU	  # WARNING: Search callback failed, result = 0x80072EFD
2011-09-08	08:48:58:462	1576	9cc	AU	  # WARNING: Failed to find updates with error code 80072EFD
2011-09-08	08:48:58:462	1576	9cc	AU	#########
2011-09-08	08:48:58:462	1576	9cc	AU	##  END  ##  AU: Search for updates [CallId = {C3089172-662F-4BA9-BD6E-C2F35A2BD7AC}]
2011-09-08	08:48:58:462	1576	9cc	AU	#############
2011-09-08	08:48:58:462	1576	9cc	AU	AU setting next detection timeout to 2011-09-08 11:48:58
2011-09-08	08:48:58:462	1576	9cc	AU	Setting AU scheduled install time to 2011-09-08 10:00:00
2011-09-08	08:49:03:077	1576	 ec	Report	REPORT EVENT: {0F38D37D-F266-45CD-9D1E-C811988207ED}	2011-09-08 08:48:58:434+0200	1	148	101	{00000000-0000-0000-0000-000000000000}	0	80072efd	AutomaticUpdates	Failure	Software Synchronization	Windows Update Client failed to detect with error 0x80072efd.
cosa posso fare per sistemare il problema?