Cannot start Windows Defender getting error 0x8007042d

Similar Questions

• Get error 0x800106ba and cannot start Windows Defender

  Cannot start windows defender after installing Miicrosoft Security Essentials

  MSE disables Windows Defender from Vista:

  Microsoft Security Essentials has its own integrated version of the defender and it automatically disables the version of Vista in Windows Defender.

  If it's not:

  http://Windows.Microsoft.com/en-us/Windows-Vista/turn-Windows-Defender-on-or-off

  Turn Windows Defender on or off the information on the link above of Microsoft.

  Hope the foregoing explains the compatibility issues with Windows Defender and MSE.

  See you soon.

  Mick Murphy - Microsoft partner

• Cannot start Windows Defender error 0x00000fd

  Original title: How can I fix error (0x00000fd)?

  I also have a problem starting Windows Defender, it just will not open.  Can you help me with the question of error and defender?
  Thank you

  Hi Mildred DeeCiabatoni,.

  Follow these steps:

  Method 1: Check if the Windows defender service is running on the computer. Follow these steps:

  (a) click Start, type services in the start search box, and then click Services in the list programs.

  (b) If you are prompted for an administrator password or a confirmation, type your password or click on continue.

  (c) double-click on the Windows Defender service and then in the box type of start up, click Automatic. Click OK.

  (d) make sure that the service is set to automatic and started.

  Method 2: Disable the security software on the computer and try to turn on windows defender and check.

  Note: Antivirus software can help protect your computer against viruses and other security threats. In most cases, you should not disable the antivirus software. If you do not disable temporarily to install other software, you must reactivate as soon as you are finished. If you are connected to the Internet or a network during the time that your antivirus software is disabled, your computer is vulnerable to attacks.

  Method 3: Follow the steps in the article mentioned below.

  Troubleshooting of Windows Defender

  http://support.Microsoft.com/kb/555957

• Windows Defender - cannot activate Windows Defender - 0x800705b4 error code

  my computer won't let me get to windows defender cannot not even enter, coming with a 0x800705b4 error code

  all the ideas that everyone thank you

  Hello

  If you use Norton, AVG, Avira, Microsoft Security Essentials, McAfee, etc. the default action is for Windows Defender must be disabled, that these AntiVirus programs have their own Antispyware Applications.

  There is nothing to worry.

  Using both programs at the same time can cause system conflicts, etc.

  If you are using one of the above AntiVirus programs, this Information from David O - Support Engineer shows you how to manually enable Windows Defender (disregard information from uninstalling; not possible in Vista):

  http://answers.Microsoft.com/en-us/Windows/Forum/windows_vista-security/how-do-i-manually-start-Windows-Defender-in-Vista/dab845b2-9ba5-47F3-9518-c4c6781e7d5b

  "Go to start, Control Panel, Administrative Tools, Services. Look for Windows Defender.

  Right click and select Properties , ensure that Startup Type is automatic.

  Once modified, click apply and OK.

  Quit and restart your computer. Check the back take the same path to confirm that Windows Defender has started"

  .

  If you want to have additional protection against malware using the version FREE of Malwarebytes AntiMalware:

  http://www.Malwarebytes.org/products/malwarebytes_free

  And for now, change startup Vista programs without using Defender, use one of these methods:

  "How to use MSCONFIG in Windows Vista"

  http://netsquirrel.com/Msconfig/msconfig_vista.html

  Or the program Autoruns for FREE:

  "V11.21 Autoruns for Windows"

  http://TechNet.Microsoft.com/en-us/sysinternals/bb963902

  See you soon.

• Cannot start Windows defender in Vista

  Original title: 0x800705by
  Windows Defender does not start

  Hello

  What is the exact error message you get when you try to start Windows defender?

  You can follow these methods:

  Method 1: Check if the Windows defender service is running on the computer.
  a. Click Start, type services in the start search box and then click on Services in the list programs.
  b. If you are prompted for an administrator password or a confirmation, type your password or click on continue.
  c. double-click the Windows Defender service and then in the startup type box, click Automatic.
  d. click OK.
  e. make sure that the service is set to automatic and started.

  Method 2: Disable any security software on the computer and try to turn on windows defender and check.

  Important: Antivirus software can help protect your computer against viruses and other security threats. In most cases, you should not disable
  your antivirus software. If you do not disable temporarily to install other software, you must reactivate as soon as you are finished. If you
  are connected to the Internet or a network during the time that your antivirus software is disabled, your computer is vulnerable to attacks.

  Method 3:

  See the article mentioned below and follow the troubleshooting steps.

  Impossible to activate the Windows Defender Windows Vista application:
  http://support.Microsoft.com/kb/555962

  Troubleshooting Windows Defender:
  http://support.Microsoft.com/kb/555957

  Kind regards
  Afzal Taher-Microsoft Support.
  Visit our Microsoft answers feedback Forum and let us know what you think.

• Try to download Windows Defender, get error 0x800106ba

  did a reboot and my Windows Defender does not work I tried redownloading it says it's on windows vista 0x800106ba

  CA not find update kb thanks ps not advise site just mc McAfee just discovered it was my Microsoft Security Essentials®, real-time protection can you have both on tha

  Hello

  You cannot reinstall Defender

  It is part of the vista operating system

  MSE disables by default the Defender

  read this information on the Defender:

  ·                         If you use microsoft security essentials avg avira mcafee norton etc they disable the vista version of windows defender by default

  the basics of Microsoft security has its own version of windows defender

  and other anti-virus programs use their own particular type of application to scan for spyware and malware

  It of nothing to worry and is the default action, which is designed for them to do

    and read this information to microsoft:

  Error message when you run Windows Defender: «Error 0x800106ba»

  http://support.Microsoft.com/kb/931849

  and if you need to change startup programs read this information on the other methods of doing it without using defender

  using msconfig read this tutorial;

  How to use MSCONFIG in Windows Vista

  Here's how to use MSCONFIG in Windows Vista to disable some unnecessary programs that load automatically at startup

  http://netsquirrel.com/Msconfig/msconfig_vista.html

  and also try this program;

  This utility, which has a knowledge of auto-starting locations of any startup monitor, shows you what programs configured to run at system startup or login and that the entries in the order of processing windows. These programs include those in your startup folder, Run, RunOnce, and other registry keys. You can configure Autoruns to show other locations, including Explorer shell, toolbar extensions, helper objects to the browser, Winlogon notifications, auto and many start-up services more

  http://TechNet.Microsoft.com/en-us/sysinternals/bb963902

• Cannot start Windows Defender - registry keys missing after uninstalling Avast

  Hello

  I am running Windows 8 on a laptop Samsung.  I recently installed and then uninstalled Avast antivirus.  In fact, I was unable to uninstall using the uninstall of WIndows process, so I downloaded Avast uninstaller to remove the program.  When I tried to reboot Windows Defender I got the following error message

  "Error: 577-Windows cannot verify the digital signature for this file."  "A recent hardware or software change might be installed a file that is signed incorrectly or damaged, or maybe it's a malicious software from an unknown source.

  So I searched around this error and found the instructions in the support forum to change the settings in the following registry keys

  Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Defender\DisableAntiSpyware
  Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Defender\DisableAntiVirus

  The problem is that they do not exist on my laptop.  I can not find them.

  How to restore these registry keys?

  Hello

  You can view the rest of the article to get the clue to restore these registry:

  http://www.kapilarya.com/Windows-Defender-not-working

  Hope this helps, good luck :)

• Cannot start Windows Defender.

  Original title: windows Defender.

  Windows defender is turned off and I can't turn it back on, everything I try but it doesn't work. It is already on my laptop, I don't know what to do... Need help.

  If you have Microsoft Security Essentials, AVG, McAfee, Norton, etc. installed, they have a conflict with Windows Defender, or turn it off.

  Microsoft Security Essentials has its own integrated version of the defender and should automatically disable the version of Vista in Windows Defender.

  If it's not:

  http://Windows.Microsoft.com/en-us/Windows-Vista/turn-Windows-Defender-on-or-off

  Turn Windows Defender on or off the information on the link above of Microsoft.

  Hope the above explains the common compatibility issues with Windows Defender and other security programs.

  See you soon.

  Mick Murphy - Microsoft partner

• computer laptop dv4 1430 cannot start window and recovery ERROR 1002

  Sorry my English not just

  I have a problem to start my laptop.

  OK, when I turn on the power it lunch START REPAIR > system recovery options > Next > Startup Repair is checking your system for ploblem >... long... when I select restart or shut down , but STILL go to > LUNCH new STARTUP REPAIR

  or when I choose the Recovery Manager >> System Recovery > factory image recovery > ERROR 1002 Please contact HP support...

  Now, I need to open the window and how to do it.

  Please take care of my issue and I hope you understand my question.

  Thank you very much

  Jak

  Hello

  This process will allow you to do a Vista repair disc. This isn't an installation disc, but will allow you to use the Vista Recovery Console that is available on commercial versions of Vista.

  Download the file from the link below.

  Vista 64-bit

  It is a zipped file.  If you do not have an extraction utility installed, download and install 7-Zip, when installed, right-click on the zipped folder, select extract files and then click Ok.  You should now see another folder containing the ISO file.

  You will need software to burn the ISO to a CD.  If you don't have that guy on the software installed, download and install ImgBurn and use it to burn the ISO to a CD.

  Once you have created the Vista repair disk, follow the guide on the link below to see if it undertakes to repair your installation - you may need to run this several times.

  http://www.bleepingcomputer.com/tutorials/tutorial148.html#

  Kind regards

  DP - K

• Cannot start Windows Audio, 1740 error (0x800706cc: endpoint is a duplicate)

  Hello. I need help. I lost my audio a few days ago, and it seems weird. How has it happened? I noticed when I encounter a problem of Control Panel. When I open it, it won't load and it cannot be closed. The volume button on the task bar, said "The Service Audio does not work." I watched a video on how to solve it. I noticed, the multimedia class scheduler does not work. I started it with success. So now, I started the Windows Audio service, but a dialog box appears and says what is relative to the setting. Hoping for your reply.

  Hello

  Please refer to the answer of Babu V of this link.

  Kind regards.

• valadation, cant access the features cannot update windows Defender Update error definitions 0x80070426, also can not install windows vista service Pack2, missing files, allmost seems to be an accident

  This computer is running windows (operating system) microsoft xp media center edition 2005 for windows vista Home premium express upgrade. and had a lot of software, material changes in recent years, so my main problem is to get it back as it was, the system restore tried to no avail.ran diangostics, no luck.

  https://support.Microsoft.com/OAS/default.aspx?PRID=13014&Gprid=582034&St=1

  Free unlimited installation and compatibility support is available for Windows Vista, but only for Service Pack 2 (SP2). This support for SP2 is valid until February 26, 2010.

  Microsoft free support for Vista SP2 at the link above.

  See you soon.

  Mick Murphy - Microsoft partner

• Computer supported by rogue program who wants to buy it, can not access to programs on the Start Menu. Error: Windows Defender encountered error 0 x 80070424. Very slow performance

  Original title: I have a BIG problem!

  When I start my computer I is no longer able to enter my tab start. It is empty. When I shoot computer (search) it says that I have nothing. All files have been deleted!  A program called OnPay, Inc. (USA) check my computer using the recovery of files.  OnPay, Inc. says that it is a system utility.  It is capable of S.M.A.R.T. (so it says).  I used to have Microsoft Security Essentials, but my computer can't find it.  When I go on the Internet or in another file, a Service Manager window pops up saying that t8EXTPEx.dll is missing or still missing.  This program of OnPay, Inc. just wants me to buy their service - but won't give me their price.    Windows Security Center can't be started is another message that I get.  I also get the window that Windows Defender encountered error 0 x 80070424.  The specified server does not exist as an installed service.  Help!  My computer is very slow.  I have Internet through pdli.net (Pioneer).  My email address is: * address removed privacy e-mail. *

  I hope that I'm not a lost cause!  Thank you very much for your help!

  Jan Bornemann

  Address removed from electronic privacy. *

  Phone number removed for privacy protection *.

  Hello

  Method 1:

  I suggest to go through the steps from the link provided and check if it helps.

  Levonorgestrol error 0 x 80070424 when you use Windows Update, Microsoft Update, or Windows Firewall

  http://support.Microsoft.com/kb/968002

  I also suggest you to start the computer in safe mode with network and run a full scan using the Microsoft Safety Scanner and check.

  Method 2:

  Step 1:

  Start your computer in safe mode with networking;

  http://Windows.Microsoft.com/en-us/Windows7/start-your-computer-in-safe-mode

  Step 2:

  Scan the computer by visiting the link below:

  http://www.Microsoft.com/security/scanner/en-us/default.aspx

  Note: there is a risk of data loss if all the files are infected and which can be removed in the cleaning process.

  Hope this helps and keep us posted.

   

• Error message: 0 x 080070005 starting Windows Defender in Vista.

  Original title: 0 x 080070005 error muaueng.dll running

  Hello

  I could not start Windows Defender in Vista, so I looked online and found the instructions to fix it. One of the commands referenced "muaueng.dll". When I run this command, I get the error of 0 x 080070005. I went here:

  http://answers.Microsoft.com/en-us/Windows/Forum/Windows_7-windows_update/Windows-Update-error-0x80070005-need-a-fix-click/e4cb8700-F215-4F1A-8bd4-6457ac619c19

  and used the Accesschk tool. Here is my file txt of the execution of the tool, that this page says to post here in a new message. Here goes:

  HKLM\software\Microsoft\Windows\CurrentVersion\Component Servicing\Retry Agent of base
  HKLM\software\Microsoft\Windows\CurrentVersion\Component base Servicing\Sqm
  HKLM\software\Microsoft\Windows\CurrentVersion\Component base Servicing\Sqm\Package_for_KB955430~31bf3856ad364e35~x86~~6.0.1.18005
  HKLM\software\Microsoft\Windows\CurrentVersion\Component base Servicing\Sqm\Package_for_KB955430~31bf3856ad364e35~x86~~6.0.1.18005\InstallCounter
  HKLM\software\Microsoft\Windows\CurrentVersion\Component base Servicing\Sqm\VistaSP1-KB936330~31bf3856ad364e35~x86~~6.0.0.18000
  HKLM\software\Microsoft\Windows\CurrentVersion\Component base Servicing\Sqm\VistaSP1-KB936330~31bf3856ad364e35~x86~~6.0.0.18000\InstallCounter
  HKLM\software\Microsoft\Windows\CurrentVersion\Component base Servicing\Sqm\VistaSP2-KB948465~31bf3856ad364e35~x86~~6.0.0.18005
  HKLM\software\Microsoft\Windows\CurrentVersion\Component base Servicing\Sqm\VistaSP2-KB948465~31bf3856ad364e35~x86~~6.0.0.18005\InstallCounter

  No idea how to solve this problem and open my Windows Defender?

  Steve in Florida

  Hello

  1 are you getting error like muaueng.dll or c:\windows\system32\wuaueng.dll?
  2 did you do changes on the computer before the show?
  3. you receive an error message from Windows Defender?

  Method 1:
  You can follow the steps in the link provided:
  How to troubleshoot Windows Defender definition update

  http://support.Microsoft.com/kb/918355

  Method 2:
  You can also check the link provided and check:
  Impossible to activate the application Windows Defender in Windows Vista
  http://support.Microsoft.com/kb/555962

• How to solve an error of 0x80d06ba you try to start Windows Defender

  Vista Home environment, when I try to start Windows Defender, I get an error 0x80d06ba.  What can I do to fix?

  Hello

  read this information on the Defender:

  ·                         If you use microsoft security essentials avg avira mcafee norton etc they disable the vista version of windows defender by default

  the basics of Microsoft security has its own version of windows defender

  and other anti-virus programs use their own particular type of application to scan for spyware and malware

  It of nothing to worry and is the default action, which is designed for them to do

  If the above does not apply to your machine to read the information on the below link on how to disable the windows defender service in vista or make an autostart to enable

  http://www.groovypost.com/HOWTO/Microsoft/Vista/disable-Windows-Defender-service-in-Windows-Server-2008-or-Vista/

  and here is the method to remove it from startup in vista

  http://www.groovypost.com/HOWTO/Microsoft/Vista/remove-Windows-Defender-from-Vista-system-startup/

  and this is how you would normally activate or disable windows defender in vista from within defenders of own and options tools

  http://www.groovypost.com/HOWTO/Microsoft/Vista/disable-Windows-Defender-for-Microsoft-Vista/

       and read this information to microsoft:

  Error message when you run Windows Defender: «Error 0x800106ba»

  http://support.Microsoft.com/kb/931849

  and if you need to change startup programs read this information on the other methods of doing it without using defender

  using msconfig read this tutorial:

  How to use MSCONFIG in Windows Vista

  Here's how to use MSCONFIG in Windows Vista to disable some unnecessary programs that load automatically at startup

  http://netsquirrel.com/Msconfig/msconfig_vista.html

  and also try this FREE program Autoruns:

  This utility, which has a knowledge of auto-starting locations of any startup monitor, shows you what programs configured to run at system startup or login and that the entries in the order of processing windows. These programs include those in your startup folder, Run, RunOnce, and other registry keys. You can configure Autoruns to show other locations, including Explorer shell, toolbar extensions, helper objects to the browser, Winlogon notifications, auto and many start-up services more

  http://TechNet.Microsoft.com/en-us/sysinternals/bb963902

• Cannot get into my Inbox from windows messaging, get error code 0 x 80004005

  Cannot get into my Inbox from windows messaging, get error code 0 x 80004005. Can enter messages etc but not inbox? Help.!

  Original title: Windows Mail  

  Check if you have webmail access if your e-mail provider offers this option.

  If it works, check that your antivirus software is not messy things up.  See www.oehelp.com/OETips.aspx#3

  Also, check with your email provider that they have not changed their settings for accounts.

  If it's just the Inbox that has problems, then try to compact and repair the database of WinMail see also www.oehelp.com/WMUtil/)

  Steve