Error code: 80072EFE Windows Update encountered an unknown error

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• Code 80072EFE windows update encountered an unknown error.

  for the last two days, I am unable to update my windows. It is win Vista Home Basic oem with laptop dell, pre-installed.

  guide me to the solution.

  for the last two days, I am unable to update my windows. It is win Vista Home Basic oem with laptop dell, pre-installed.

  guide me to the solution.

  Successes have been reported using TDSSKiller.exe which will remove the malware, which belongs to the 'family' of Rootkit.Win32.TDSS, of your machine.
  Here is the link:
  http://support.Kaspersky.com/viruses/solutions?QID=208280684

  My previous answer to the same question:
  http://social.answers.Microsoft.com/forums/en-us/vistaperformance/thread/5fa45657-9cf1-45E4-BEAB-6a97e7644c55

  Here are a few other previous answers from other users:
  http://social.technet.Microsoft.com/forums/en/itprovistaie/thread/0ce7c1e6-7EF2-48e1-B7C9-c8f1e97c71d5

  Here is a tutorial from Microsoft Support:
  http://support.Microsoft.com/kb/836941

  For the benefits of others looking for answers, please mark as answer suggestion if it solves your problem.

• Windows Update has failed. "Error found: Code 8007001F Windows Update encountered an unknown error." _

  RALink - network - 802.11n/b/g Wireless LAN USB 2.0 Mini adapter 379ko

  Windows Update has failed. "Error found: Code 8007001F Windows Update encountered an unknown error."

  I bought a wifi USB adapter and it is a driver windows 7 available on the manufacturer's website. RALink

  http://eng.ralinktech.com.tw/support.php?s=1

  My computer is a HP P6110f desktop computer. It came with a Vista 64 OS which I've upgraded to a Windows 7 Home Premium.

  I tried to install all kinds of different ways but were not able to make it work.

  Disconnect all other devices driver/software uninstalled and reinstalled all plugging adapter in each computer startup I tried port USB with adapter connected and also connect after windows load discharged from all applications running, including firewall and anti-virus

  Can you please help me solve this problem? I consider myself quite computer but I'm completely puzzled here.

  http://social.answers.Microsoft.com/forums/en-us/category/Windows7
  Windows 7 discussion groups

  They may be able to help in obtaining the wifi USB adapter to work.

  8007001F (a device attached to the system is not functioning) TaurArian [MVP] 2005-2010-implementation to date of Services

• code 80080005 Windows Update encountered an unknown error

  I get this error when trying to run Windows Update.
  code 80080005 Windows Update encountered an unknown error.

  Rerun is ineffective.

  Vista 64-bit Service Pack 1 operating system

  http://social.answers.Microsoft.com/forums/en-us/vistawu/thread/6683e5b2-95a4-46BA-a41a-06be7f116550/

  Check the response from PA Bear in the thread above. Mick Murphy

• Code 80070641 Windows Update encountered an unknown error.

  Windows Vista Home Prem 32-bit version get Code 80070641 Windows Update encountered an unknown error.  In addition, an update of the Adobe Reader keeps fail with the error #1500.
  Any suggestions?

  Hi JimTT,

  A. you are using windows XP, vista or windows 7?

  B. you are trying to install the automatic updates?

  If you use windows XP or vista, you try to run the microsoft Fixit and try again to install updates. You can open the link below and click the Fixit .

  http://support.Microsoft.com/kb/971058

  You can also check out the thread link which addresses the same issue below. Check the suggestion provided by Jared M.  This can help you with updates of Adobe as well as 1500 error is also related to the windows installer.
  http://social.answers.Microsoft.com/forums/en-us/vistawu/thread/446c108b-3222-46F9-AD2C-05dd231fd071

  You can run windows update Troubleshooting If you run windows 7 on your computer.
  http://Windows.Microsoft.com/en-us/Windows7/open-the-Windows-Update-Troubleshooter

  update failed error 1500...
  http://forums.Adobe.com/thread/614949

  I hope this helps.

  Bindu S - Microsoft Support
  Visit our Microsoft answers feedback Forum and let us know what you think.

• CODE 80240038 windows update encountered an unknown error

  Whenever I try to update windows come from the following error

  CODE 80240038 windows update encountered an unknown error

  I tried the windows update troubleshooting utility but no help

  I want to know how to solve the problem or give me a download link through which I can update my windows

  Hello

  Refer to this link: http://social.answers.microsoft.com/Forums/en-IE/vistawu/thread/4fcc2c7c-842d-43e9-9943-f5be3a669291

  Kind regards.

• Code 57 Windows Update encountered an unknown error

  I constantly receive the following error message when you try to install the Windows updated to filter junk e-mail in Microsoft Office Outlook 2007 (KB979895).

  "Code 57 Windows Update encountered an unknown error"

  Please send me an email to * address email is removed from the privacy * if you know how to solve this problem.

  I tried disabling my firewall to install this update and antivirs but it has no effect.

  Tip: Insert your Office CD in the Bay before the next attempt to install appropriate.

  Tip: If no joy, see if you can download the "fullfile" version updates via http://www.microsoft.com/downloads/ or http://catalog.update.microsoft.com/ and then manually install / them.

  ~ Robear Dyer (PA Bear) ~ MS MVP (that is to say, mail, security, Windows & Update Services) since 2002 ~ WARNING: MS MVPs represent or work for Microsoft

• Code 8E5E0147 Windows Update encountered an unknown error

  Hello

  
  

  Vista has got an automatic update every day for a few days ago but every time the update starts finally fails with this error: "'Code 8E5E0147 Windows Update encountered an unknown error" "

  
  

  What should I do? Vista Help did not help at all. I got the same error.

  
  

  Thank you.

  suiobo,
  Go to Microsoft's download page and select the download appropriate for your operating system, then save it on your PC.  Then, run the update from your PC and see if it will install manually.  If you still have the error and then perform a clean boot and test again.  Let us know the results.

  Mike - Engineer Support Microsoft Answers
  Visit our Microsoft answers feedback Forum and let us know what you think.

• Important updates for Vista SP2 Security Installation failure: update MSXML 4.0 SP2 (KB927978) AND (KB954430) security, citing error Code 652, Windows Update encountered an unknown error!

  Has no significant updates for VISTA SP2 security installation: MSXML 4.0 SP2 (KB927978) security AND (KB954430), citing error Code 652, Windows Update encountered an unknown error! How is it Windows Update does not recognize it's own mistakes? I tried several times to install both of these important updates without success. Please help me so that I can install these two updates & get back on the right track. Thank you!

  See the section "How to get help", for example, http://support.microsoft.com/kb/927978

  Visit the Microsoft Solution Center and antivirus security for resources and tools to keep your PC safe and healthy. If you have problems with the installation of the update itself, visit the Microsoft Update Support for resources and tools to keep your PC updated with the latest updates.

  For enterprise customers, support for security updates is available through your usual support contacts.

  ~ Robear Dyer (PA Bear) ~ MS MVP (that is to say, mail, security, Windows & Update Services) since 2002 ~ WARNING: MS MVPs represent or work for Microsoft

• Microsoft Update maintains did not give me the error code "646 windows update encountered an unknown error" __Help__Thanks in advance

  Windows Update continues to not give me an error code "0000646 Windows update encountered an unknown error.

  Hello

  Try this 1st to see if it helps, and it should:

  Description of the Patch registration cleanup tool
  http://support.Microsoft.com/kb/976220/

  ------------------------------------------------------

  If necessary :

  Try this - Panel - Windows Updates - on every update that will not be installed - click on the important updates
  or the update itself - double click a view more information (or click top then discovers on the right)

  Those who will take you to a page where you can download the update.

  Or go here and the KBxxxxxx number to download it.

  Download Center - mount the KBxxxxxx.

  Microsoft Download Center
  http://www.Microsoft.com/downloads/en/default.aspx

  Download - SAVE - go to where you put them - click on - RUN AS ADMIN

  Then you can right click on the update in the updates Windows and HIDE.

  If you get an error Installer install this version:

  Windows install 4.5 Redistributable
  http://www.Microsoft.com/downloads/details.aspx?FamilyId=5A58B56F-60B6-4412-95B9-54D056D6F9F4&displaylang=en

  ----------------------------------------------------

  Then run this:

  How to reset the Windows Update components? -a Mr Fixit
  http://support.Microsoft.com/kb/971058

  Description of the system for Windows Vista, Windows Server 2008, update tool and
  for Windows 7
  http://support.Microsoft.com/kb/947821

  ------------------------------------------------------------
  Because these are all Office updates you might get more information if necessary in the Agency of those groups that
  may have experienced the same problem.

  Office newsgroups
  http://www.Microsoft.com/Office/Community/en-us/FlyoutOverview.mspx

  Microsoft.public.office.misc discussions
  http://www.Microsoft.com/communities/newsgroups/list/en-us/default.aspx?DG=Microsoft.public.Office.misc&cat=en_us_01cb749f-c998-4762-8099-df71793c11c7&lang=en&CR=us

  ------------------------------------------------------------

  If necessary you can incident free get reports however the above should take care of it for you.

  Windows updates - free Incident report

  Go here and click on-> Windows Update fails while searching, downloading or installation of updates
  http://support.Microsoft.com/GP/wusupport#tab3

  The security updates, you can get free support Incident report
  http://www.Microsoft.com/protect/resources/support.aspx

  I hope this helps.
  Rob - bicycle - Mark Twain said it is good.

• Error Code C646 Windows Update encountered an unknown Error__

  I keep the error code and get (C646 windows update encountered an unknown error) when you try to download and install the update of security for microsoft works 8 (KB977304) it is on Windows Vista

  Download and install the update just manually:
  http://www.Microsoft.com/downloads/details.aspx?FamilyId=807426a1-8b78-4681-A606-dc39f4d7b64a&displaylang=en
  Works8_KB977304_en - US.msp TaurArian [MVP] 2005-2010 - Update Services

• Code 66A Windows update encountered an unknown error

  I tried the system restore and it created more problems. So I undid the restorations

  * original title - update of Windows Code 66 has encountered an unknown error. A security update for NET Framework on windows XP Server 2003, windows vista, windows windows Server 2008 7, windows server 2008 R2 for a based 64 2160841 KB System *.

  Please see the following thread for answers: http://social.answers.microsoft.com/Forums/en/vistawu/thread/1307e399-8997-41c4-9d3b-24f872425148 releasing It Easy: with Windows | ActiveWin | Laptops | Microsoft MVP

• Windows update fails with code 646 (Windows Update encountered an unknown error)

  Windows Update cannot succeed to install the updates related to microsoft office products. It says "Windows update has encountered an unknown error" and the error 646 code. How can I solve this problem?

  tayyarsen,

  Look here: http://support.microsoft.com/kb/2258121

• Code 643 Windows Update encountered an unknown error

  I continue to encounter this error when you try to update windows.  The steps I have is use selective startup in msconfig to disable all process/services non-windows before running Windows Update and I still received the error.  I checked my update history and don't have any error codes listed.

  There are many updates to install? If so, can you try to install some both (miss those who are updates .NET)

  Indeed, none of them are updates to .NET?

  What is your error? - https://support.microsoft.com/en-gb/kb/976982 , if so, he has a few suggestions.

• Code 652 Windows Update encountered an unknown error

  I am trying to install a printer HP deskjet F4180 to a new computer. Computer Dell inspiron 1764, OS 64 bit, core i3, 4 GB Ram, 500 GB hard drive. Installation failed and the center of targeted solutions win7 and charge to do a windows update. The windows update is: a security update for XML Core Services 4.0 SP2 for x 64 systems MS) (KB954430). Windows update error 652 failed code. the error code led me to a convenience store who answered... unable to find/fix windows update. I tried again with the same result... Rebooted... have gone through the process with the same result.  It became a whole event of the day... the wireless USB adapter has failed, the printer has failed, the update of the window has no... nothing works in win7? How can I get all the bugs out of my system win7. I downloaded the HP patches for win7 64 bit os, and I can't always help work on this new computer. Can someone help me?

  Hello

  ·        That is the update fails?

  It seems to be a problem with Windows Installer. Try the steps suggested below and check if that helps.

  Method 1:

  You may need to unregister and re-register Windows Installer. To do this, follow the steps below.

  1. click on the ORB 'Start '.

  2. Type "cmd" in the box start search

  3. right click on "cmd" program and choose "Run as Administrator"

  4. in the command prompt window type:
  msiexec /Unregister and press "Enter."

  5. then type:
  /register msiexec and press "ENTER."

  6. then type "exit" and press "enter."

  Now try to install the update and check if that helps.

  Method 2:

  You can check what updates failed to install, uninstall them completely and try to reinstall one at a time.

  See the Windows updates are installed

  http://Windows.Microsoft.com/en-us/Windows7/see-which-Windows-updates-are-installed

  Remove an update

  http://Windows.Microsoft.com/en-us/Windows7/remove-an-update

  Install Windows updates

  http://Windows.Microsoft.com/en-us/Windows7/install-Windows-updates

  Hope this information is useful.

  Amrita M

  Microsoft Answers Support Engineer
  Visit our Microsoft answers feedback Forum and let us know what you think.