I've tried all solutions suggested here and in every place mentioning this error (0x8007010B) I have found on the net but nothing has worked so far.
I would like to know whether you would be so kind to help me to resolve this problem by providing you with my Windowsupdate.log, as I would have to format my computer otherwise.
2011-02-25 19:07:00:563 424 10d0 AU Getting featured update notifications. fIncludeDismissed = true
2011-02-25 19:07:00:563 424 10d0 AU No featured updates available.
2011-02-25 19:07:05:520 1668 11c0 Misc =========== Logging initialized (build: 7.3.7600.16385, tz: -0300) ===========
2011-02-25 19:07:05:520 1668 11c0 Misc = Process: C:\Windows\Explorer.EXE
2011-02-25 19:07:05:520 1668 11c0 Misc = Module: C:\Windows\system32\wucltux.dll
2011-02-25 19:07:05:520 1668 11c0 WUApp No EULA acceptance needed
2011-02-25 19:07:05:520 424 abc AU AU received approval from Ux for 1 updates
2011-02-25 19:07:05:520 424 abc AU AU setting pending client directive to 'Progress Ux'
2011-02-25 19:07:05:536 2924 954 CltUI AU client got new directive = 'Interactive Progress', serviceId = {7971F918-A847-4430-9279-4A52D1EFE18D}, return = 0
2011-02-25 19:07:05:567 424 abc AU BeginInteractiveInstall invoked for Download
2011-02-25 19:07:05:567 424 abc AU Auto-approving update for download, updateId = {62C68477-0F45-46AA-8AF8-D0C189D6DD8E}.102, ForUx=1, IsOwnerUx=1, HasDeadline=0, IsMinor=0
2011-02-25 19:07:05:567 424 abc AU Auto-approved 1 update(s) for download (for Ux)
2011-02-25 19:07:05:567 424 abc AU UpdateDownloadProperties: 0 download(s) are still in progress.
2011-02-25 19:07:05:567 424 abc AU #############
2011-02-25 19:07:05:567 424 abc AU ## START ## AU: Download updates
2011-02-25 19:07:05:567 424 abc AU #########
2011-02-25 19:07:05:567 424 abc AU # Approved updates = 1
2011-02-25 19:07:05:582 424 abc AU AU initiated download, updateId = {62C68477-0F45-46AA-8AF8-D0C189D6DD8E}.102, callId = {E81DA81F-573F-4FAD-A847-7CC903145D74}
2011-02-25 19:07:05:582 424 abc AU Successfully wrote event for AU health state:0
2011-02-25 19:07:05:582 424 abc AU Currently showing Progress UX client - so not launching any other client
2011-02-25 19:07:05:582 424 c8c DnldMgr *************
2011-02-25 19:07:05:582 424 c8c DnldMgr ** START ** DnldMgr: Downloading updates [CallerId = AutomaticUpdatesWuApp]
2011-02-25 19:07:05:582 424 c8c DnldMgr *********
2011-02-25 19:07:05:582 424 c8c DnldMgr * Call ID = {E81DA81F-573F-4FAD-A847-7CC903145D74}
2011-02-25 19:07:05:582 424 c8c DnldMgr * Priority = 3, Interactive = 1, Owner is system = 0, Explicit proxy = 0, Proxy session id = 1, ServiceId = {7971F918-A847-4430-9279-4A52D1EFE18D}
2011-02-25 19:07:05:582 424 c8c DnldMgr * Updates to download = 1
2011-02-25 19:07:05:582 424 c8c Agent * Title = Actualización para Windows 7 para sistemas basados en x64 (KB971033)
2011-02-25 19:07:05:582 424 c8c Agent * UpdateId = {62C68477-0F45-46AA-8AF8-D0C189D6DD8E}.102
2011-02-25 19:07:05:582 424 c8c Agent * Bundles 1 updates:
2011-02-25 19:07:05:582 424 c8c Agent * {06330BCE-D3D3-4364-B1EB-5A3D8A28D1B7}.102
2011-02-25 19:07:05:582 424 abc AU Successfully wrote event for AU health state:0
2011-02-25 19:07:05:582 424 abc AU # Pending download calls = 1
2011-02-25 19:07:05:582 424 abc AU <<## SUBMITTED ## AU: Download updates
2011-02-25 19:07:05:582 424 c8c DnldMgr *********** DnldMgr: New download job [UpdateId = {06330BCE-D3D3-4364-B1EB-5A3D8A28D1B7}.102] ***********
2011-02-25 19:07:05:582 424 c8c DnldMgr * Queueing update for download handler request generation.
2011-02-25 19:07:05:582 424 c8c DnldMgr Generating download request for update {06330BCE-D3D3-4364-B1EB-5A3D8A28D1B7}.102
2011-02-25 19:07:05:598 424 10d0 AU Getting featured update notifications. fIncludeDismissed = true
2011-02-25 19:07:05:598 424 10d0 AU No featured updates available.
2011-02-25 19:07:05:738 424 c8c Handler Generating request for CBS update 06330BCE-D3D3-4364-B1EB-5A3D8A28D1B7 in sandbox C:\Windows\SoftwareDistribution\Download\696959e18d76ccfd298a7cb3006501cf
2011-02-25 19:07:05:738 424 c8c Handler Selecting self-contained because update does not have express payload.
2011-02-25 19:07:05:738 424 c8c Handler Selected payload type is ptSelfContained
2011-02-25 19:07:05:738 424 c8c Handler Detected download state is dsHavePackage
2011-02-25 19:07:05:738 424 c8c Handler Request generation for CBS update complete with hr=0x0 and pfResetSandbox=0
2011-02-25 19:07:05:738 424 c8c DnldMgr *********** DnldMgr: New download job [UpdateId = {06330BCE-D3D3-4364-B1EB-5A3D8A28D1B7}.102] ***********
2011-02-25 19:07:05:738 424 c8c DnldMgr * All files for update were already downloaded and are valid.
2011-02-25 19:07:05:754 424 c8c Agent *********
2011-02-25 19:07:05:754 424 c8c Agent ** END ** Agent: Downloading updates [CallerId = AutomaticUpdatesWuApp]
2011-02-25 19:07:05:754 424 c8c Agent *************
2011-02-25 19:07:05:754 424 e94 AU >>## RESUMED ## AU: Download update [UpdateId = {62C68477-0F45-46AA-8AF8-D0C189D6DD8E}, succeeded]
2011-02-25 19:07:05:754 424 e94 AU #########
2011-02-25 19:07:05:754 424 e94 AU ## END ## AU: Download updates
2011-02-25 19:07:05:754 424 e94 AU #############
2011-02-25 19:07:05:754 424 e94 AU Successfully wrote event for AU health state:0
2011-02-25 19:07:05:754 424 e94 AU Currently showing Progress UX client - so not launching any other client
2011-02-25 19:07:05:754 424 e94 AU Successfully wrote event for AU health state:0
2011-02-25 19:07:05:770 424 abc AU Getting featured update notifications. fIncludeDismissed = true
2011-02-25 19:07:05:770 424 abc AU No featured updates available.
2011-02-25 19:07:07:579 424 abc AU BeginInteractiveInstall invoked for Install
2011-02-25 19:07:07:579 424 abc AU Auto-approving update for install, updateId = {62C68477-0F45-46AA-8AF8-D0C189D6DD8E}.102, ForUx=1, IsOwnerUx=1, HasDeadline=0, IsMinor=0
2011-02-25 19:07:07:579 424 abc AU Auto-approved 1 update(s) for install (for Ux), installType=1
2011-02-25 19:07:07:579 424 abc AU #############
2011-02-25 19:07:07:579 424 abc AU ## START ## AU: Install updates
2011-02-25 19:07:07:579 424 abc AU #########
2011-02-25 19:07:07:579 424 abc AU # Initiating manual install
2011-02-25 19:07:07:579 424 abc AU # Approved updates = 1
2011-02-25 19:07:07:579 424 1084 Agent *************
2011-02-25 19:07:07:579 424 abc AU <<## SUBMITTED ## AU: Install updates / installing updates [CallId = {288831A4-D8D2-430A-82E5-4A07E1541DA5}]
2011-02-25 19:07:07:579 424 1084 Agent ** START ** Agent: Installing updates [CallerId = AutomaticUpdates]
2011-02-25 19:07:07:579 424 1084 Agent *********
2011-02-25 19:07:07:579 424 1084 Agent * Updates to install = 1
2011-02-25 19:07:07:595 424 1084 Agent * Title = Actualización para Windows 7 para sistemas basados en x64 (KB971033)
2011-02-25 19:07:07:610 424 abc AU Getting featured update notifications. fIncludeDismissed = true
2011-02-25 19:07:07:610 424 1084 Agent * UpdateId = {62C68477-0F45-46AA-8AF8-D0C189D6DD8E}.102
2011-02-25 19:07:07:610 424 abc AU No featured updates available.
2011-02-25 19:07:07:610 424 1084 Agent * Bundles 1 updates:
2011-02-25 19:07:07:610 424 1084 Agent * {06330BCE-D3D3-4364-B1EB-5A3D8A28D1B7}.102
2011-02-25 19:07:10:590 424 c8c Report REPORT EVENT: {BBFAECB4-B458-4EA7-ADFD-C8ADA2996B01} 2011-02-25 19:07:05:754-0300 1 189 102 {00000000-0000-0000-0000-000000000000} 0 0 AutomaticUpdates Success Content Install Installation Ready: The following updates are downloaded and ready for installation. To install the updates, an administrator should log on to this computer and Windows will prompt with further instructions: - Actualización para Windows 7 para sistemas basados en x64 (KB971033)
2011-02-25 19:07:10:590 424 c8c Report CWERReporter finishing event handling. (00000000)
2011-02-25 19:07:14:708 424 1084 Handler Attempting to create remote handler process as Genko-PC\Genko in session 1
2011-02-25 19:07:14:755 424 1084 DnldMgr Preparing update for install, updateId = {06330BCE-D3D3-4364-B1EB-5A3D8A28D1B7}.102.
2011-02-25 19:07:14:771 1508 13b0 Misc =========== Logging initialized (build: 7.3.7600.16385, tz: -0300) ===========
2011-02-25 19:07:14:771 1508 13b0 Misc = Process: C:\Windows\system32\wuauclt.exe
2011-02-25 19:07:14:771 1508 13b0 Misc = Module: C:\Windows\system32\wuaueng.dll
2011-02-25 19:07:14:771 1508 13b0 Handler :::::::::::::
2011-02-25 19:07:14:771 1508 13b0 Handler :: START :: Handler: CBS Install
2011-02-25 19:07:14:771 1508 13b0 Handler :::::::::
2011-02-25 19:07:14:771 1508 13b0 Handler Starting install of CBS update 06330BCE-D3D3-4364-B1EB-5A3D8A28D1B7
2011-02-25 19:07:14:771 1508 13b0 Handler CBS package identity: Microsoft-Windows-Security-WindowsActivationTechnologies-Package~31bf3856ad364e35~amd64~~7.1.7600.16395
2011-02-25 19:07:14:771 1508 13b0 Handler Installing self-contained with source=C:\Windows\SoftwareDistribution\Download\ff79a6829c7aa9c454d00d56480169d6\Windows6.1-KB971033-x64.cab, workingdir=C:\Windows\SoftwareDistribution\Download\ff79a6829c7aa9c454d00d56480169d6\inst
2011-02-25 19:07:20:106 1508 1378 Handler FATAL: CBS called Error with 0x8007010b,
2011-02-25 19:07:21:042 1508 13b0 Handler FATAL: Completed install of CBS update with type=0, requiresReboot=0, installerError=1, hr=0x8007010b
2011-02-25 19:07:21:042 424 e94 AU >>## RESUMED ## AU: Installing update [UpdateId = {62C68477-0F45-46AA-8AF8-D0C189D6DD8E}]
2011-02-25 19:07:21:042 424 e94 AU # WARNING: Install failed, error = 0x8007010B / 0x8007010B
2011-02-25 19:07:21:042 1508 13b0 Handler :::::::::
2011-02-25 19:07:21:042 1508 13b0 Handler :: END :: Handler: CBS Install
2011-02-25 19:07:21:042 1508 13b0 Handler :::::::::::::
2011-02-25 19:07:21:136 424 1084 Agent *********
2011-02-25 19:07:21:136 424 1084 Agent ** END ** Agent: Installing updates [CallerId = AutomaticUpdates]
2011-02-25 19:07:21:136 424 e94 AU Install call completed.
2011-02-25 19:07:21:136 424 1084 Agent *************
2011-02-25 19:07:21:136 424 e94 AU # WARNING: Install call completed, reboot required = No, error = 0x00000000
2011-02-25 19:07:21:136 424 e94 AU #########
2011-02-25 19:07:21:136 424 e94 AU ## END ## AU: Installing updates [CallId = {288831A4-D8D2-430A-82E5-4A07E1541DA5}]
2011-02-25 19:07:21:136 424 e94 AU #############
2011-02-25 19:07:21:136 424 e94 AU Install complete for all calls, reboot NOT needed
2011-02-25 19:07:21:151 424 e94 AU Successfully wrote event for AU health state:0
2011-02-25 19:07:21:182 424 12d4 AU Getting featured update notifications. fIncludeDismissed = true
2011-02-25 19:07:21:182 424 12d4 AU No featured updates available.
2011-02-25 19:07:21:978 424 10d0 AU No featured updates notifications to show
2011-02-25 19:07:21:978 424 10d0 AU UpdateDownloadProperties: 0 download(s) are still in progress.
2011-02-25 19:07:21:978 424 10d0 AU Triggering Offline detection (non-interactive)
2011-02-25 19:07:21:978 424 10d0 AU AU setting pending client directive to 'Install Complete Ux'
2011-02-25 19:07:21:978 424 10d0 AU Changing existing AU client directive from 'Progress Ux' to 'Install Complete Ux', session id = 0x1
2011-02-25 19:07:21:978 424 10d0 AU AU setting pending client directive to 'Download Approval'
2011-02-25 19:07:21:978 424 10d0 AU Changing existing AU client directive from 'Install Complete Ux' to 'Download Approval', session id = 0x1
2011-02-25 19:07:22:228 424 10d0 AU Successfully wrote event for AU health state:0
2011-02-25 19:07:22:243 424 1244 AU #############
2011-02-25 19:07:22:243 424 1244 AU ## START ## AU: Search for updates
2011-02-25 19:07:22:243 424 1244 AU #########
2011-02-25 19:07:22:243 424 1244 AU <<## SUBMITTED ## AU: Search for updates [CallId = {FB35D586-3656-41C4-93D7-E77BF52CB158}]
2011-02-25 19:07:22:243 424 c8c Agent *************
2011-02-25 19:07:22:243 424 c8c Agent ** START ** Agent: Finding updates [CallerId = AutomaticUpdates]
2011-02-25 19:07:22:243 424 c8c Agent *********
2011-02-25 19:07:22:243 424 c8c Agent * Online = No; Ignore download priority = No
2011-02-25 19:07:22:243 424 c8c Agent * Criteria = "IsInstalled=0 and DeploymentAction='Installation' or IsPresent=1 and DeploymentAction='Uninstallation' or IsInstalled=1 and DeploymentAction='Installation' and RebootRequired=1 or IsInstalled=0 and DeploymentAction='Uninstallation' and RebootRequired=1"
2011-02-25 19:07:22:243 424 c8c Agent * ServiceID = {7971F918-A847-4430-9279-4A52D1EFE18D} Third party service
2011-02-25 19:07:22:243 424 c8c Agent * Search Scope = {Machine}
2011-02-25 19:07:22:243 2924 954 CltUI AU client got new directive = 'Download Approval', serviceId = {7971F918-A847-4430-9279-4A52D1EFE18D}, return = 0
2011-02-25 19:07:39:372 424 c8c Agent * Added update {19320806-4280-48FC-8AC7-145B5895EA89}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {3248D728-8DA0-4F91-BF43-18DFA2B97044}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {614C3408-E80D-49DC-8F98-1F87C26C1F5D}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {0FD36D07-10F9-4A54-A090-286A3CF0B3F3}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {7EB58AEE-B7EF-4D8D-8AB8-2AB726665F58}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {59ABF204-F053-4D91-99C0-31981D7341BC}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {4B89A98F-79B2-4546-B9E9-33731BEA30C1}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {081CAB8E-FAF5-421B-BE7C-3E796837F1FF}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {8BDD72C0-1566-4399-9123-905898BA722D}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {33C1D18F-2C58-461D-B782-80EE0F70CCEA}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {16CE7C5E-19DB-4993-B3AB-60E4FF8E5996}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {04B7D017-3C6C-4677-A48E-958F7509A9B2}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {AE94673D-20D0-4F6C-9D7D-0017C412F271}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {7D25E0F6-7EA6-4EC8-9F02-0AAA88AD4949}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {37976360-39FA-4650-AECD-484990A10255}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {D85A2427-4ED9-4242-853C-594B3EE94A4F}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {25E69D9A-49A7-4ECA-BB57-5E69C3413BCE}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {9326166F-2541-4C08-BEF8-64D912D7A464}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {E733DDB0-3B68-4555-BF0A-70F8D4366C72}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {CC898252-E986-40DC-9A0D-80C36651B5C6}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {5336FE1C-0C9E-422C-A17C-8E5DCD25BC55}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {B6C88119-2EA3-49D1-97D6-A160E7A4FF4B}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {88229880-277B-4DFA-8CF5-A9576B88252E}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {75D1E974-7700-4C94-9A95-B181CAAF597F}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {D1228602-9B1A-4679-BE4F-B432403EA260}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {6FA2D567-5BF3-4112-BB6D-C4E724D4E328}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {66D3840D-76FD-4315-9B7A-C768039EF167}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {95422A2C-8BEB-413A-A6C0-CB8DFC75E4BE}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {2373D7AB-4643-4806-8BF7-E2379AA3CB79}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {2AA71947-2364-403F-8A27-E917DEF5F29C}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {1396C631-405A-4BE0-9EDC-EDA6AE5F94CD}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {C24FAAB7-5ACE-45CA-BEDB-EEBAB9CAF2B4}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {45F142CA-3CA4-4CC0-A9FA-F5AB8E0CC0F0}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {32C3134C-2923-413D-BE3B-F884E3A03A16}.100 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {62C68477-0F45-46AA-8AF8-D0C189D6DD8E}.102 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Added update {9CAA0B4A-025E-4531-B969-AA268F32D86F}.101 to search result
2011-02-25 19:07:39:372 424 c8c Agent * Found 36 updates and 61 categories in search; evaluated appl. rules of 648 out of 1169 deployed entities
2011-02-25 19:07:39:372 424 c8c Agent *********
2011-02-25 19:07:39:372 424 c8c Agent ** END ** Agent: Finding updates [CallerId = AutomaticUpdates]
2011-02-25 19:07:39:372 424 c8c Agent *************
2011-02-25 19:07:39:388 424 c8c Report REPORT EVENT: {8D7E8D4D-BA20-459B-A056-8952B25D3206} 2011-02-25 19:07:21:042-0300 1 182 101 {62C68477-0F45-46AA-8AF8-D0C189D6DD8E} 102 8007010b AutomaticUpdates Failure Content Install Installation Failure: Windows failed to install the following update with error 0x8007010b: Actualización para Windows 7 para sistemas basados en x64 (KB971033).
2011-02-25 19:07:39:388 424 e94 AU >>## RESUMED ## AU: Search for updates [CallId = {FB35D586-3656-41C4-93D7-E77BF52CB158}]
2011-02-25 19:07:39:388 424 e94 AU # 36 updates detected
2011-02-25 19:07:39:388 424 e94 AU #########
2011-02-25 19:07:39:388 424 e94 AU ## END ## AU: Search for updates [CallId = {FB35D586-3656-41C4-93D7-E77BF52CB158}]
2011-02-25 19:07:39:388 424 e94 AU #############
2011-02-25 19:07:39:388 424 e94 AU No featured updates notifications to show
2011-02-25 19:07:39:388 424 e94 AU Successfully wrote event for AU health state:0
2011-02-25 19:07:39:388 424 e94 AU Successfully wrote event for AU health state:0
2011-02-25 19:07:39:388 424 c8c Report CWERReporter::HandleEvents - WER report upload completed with status 0x8
2011-02-25 19:07:39:388 424 c8c Report WER Report sent: 7.3.7600.16385 0x8007010b 62C68477-0F45-46AA-8AF8-D0C189D6DD8E Install 101 Unmanaged
2011-02-25 19:07:39:388 424 c8c Report CWERReporter finishing event handling. (00000000)
2011-02-25 19:07:44:395 424 c8c Report CWERReporter finishing event handling. (00000000)
2011-02-25 20:49:09:900 424 ba8 Report CWERReporter finishing event handling. (00000000)
2011-02-25 21:46:19:205 424 4f8 Report CWERReporter finishing event handling.