Error 0x80070424 ocurs when you use Windows Update, Microsoft Update, or Windows Firewall

When you try to complete any of the following actions, you may receive an error message that contains this error code:

• Install updates by using Windows Updates
• Install updates by using Microsoft Updates
• Install updates for Microsoft Security Essentials
• Start Windows Firewall

To resolve this issue, follow the steps in the following methods, starting with Method 1.

Method 1: Run the Windows Update Troubleshooter

The The Automatically diagnose and fix common problems with Windows Update troubleshooter troubleshooter may automatically fix the problem described in this article. This troubleshooter fixes many problems.learn more

(http://support.microsoft.com/mats/windows_update)

run now

(http://go.microsoft.com/?linkid=9767096)

Method 2: Run the Fix-it to restart necessary services and register additional DLLs

To have us fix this problem for you, go to the "Fix it for me" section. If you prefer to fix this problem yourself, go to the "Let me fix it myself" section.

Fix it for me

To fix this problem automatically, click the Fix it button or link. In the File Download dialog box, click Run, and then follow the steps in the Fix it Wizard.Fix this problem

(http://go.microsoft.com/?linkid=9774319)

Microsoft Fix it 50687 Notes

• This wizard may be in English only, but the automatic fix also works for other language versions of Windows.
• If you are not on the computer that has the problem, save the Fix it solution to a flash drive or a CD, and then run it on the computer that has the problem.
• The Fix it solution only implements method 2 in this article. If the Fix it solution does not resolve the problem, try other methods in this article manually.

Then, go to the "Did this fix the problem?" section.

Let me fix it myself

Register the Windows Update files

If you are running Windows XP, Windows Server 2003, or Windows 2000, follow these steps:

1. Click Start, and then click Run.
2. Copy and then paste (or type) the following command in the Ooen box, and then press Enter.
   notepad
3. Select the folowing commands, right-click the selected text, and then click Copy.

   REGSVR32 WUPS2.DLL /S
   REGSVR32 WUPS.DLL /S
   REGSVR32 WUAUENG.DLL /S
   REGSVR32 WUAPI.DLL /S
   REGSVR32 MUCLTUI.DLL /S
   REGSVR32 WUCLTUI.DLL /S
   REGSVR32 WUWEB.DLL /S
   REGSVR32 MUWEB.DLL /S
   REGSVR32 QMGR.DLL /S
   REGSVR32 QMGRPRXY.DLL /S

4. In Notepad, right-click anywhere in the window, and then click Paste.
5. Click File, and then click Save As.
6. In the File name box, type register.bat, and then click All Files in the Save as type box.
7. Save the register.bat file to your desktop.
8. On your desktop, double-click the register.bat file to register the Windows Update files.
9. Try to install updates again.

If you are running Windows 7, Windows Vista or Windows Server 2008, follow these steps:

1. Click Start
   Collapse this imageExpand this image

   
   , type Notepadin the Start Search box, and then click Notepadin the Programs list.
2. Select the commands in step 3, right-click the selected text, and then click Copy.
3. In Notepad, right-click anywhere in the window, and then click Paste.

   REGSVR32 WUPS2.DLL /S
   REGSVR32 WUPS.DLL /S
   REGSVR32 WUAUENG.DLL /S
   REGSVR32 WUAPI.DLL /S
   REGSVR32 WUCLTUX.DLL /S
   REGSVR32 WUWEBV.DLL /S
   REGSVR32 JSCRIPT.DLL /S
   REGSVR32 MSXML3.DLL /S

4. In Notepad, on the File menu, click Save As.
5. In the File name box, type register.bat, and then click All Files (*.*) in the Save as type box.
6. Save the register.bat file to the desktop.
7. On your desktop, right-click the register.bat file, and then click Run as administrator.
   Collapse this imageExpand this image

   
   If you are prompted for an administrator password or for confirmation, type the password or provide confirmation.
8. Try to install updates again.

Notes

• If you are running Windows Vista and the Background Intelligent Transfer Service does not appear in the list of services, click the following link to view the KB article on the Microsoft website and download the update:
  939159

  (http://support.microsoft.com/kb/939159/ )

  An update to prevent a Background Intelligent Transfer Service (BITS) crash on a Windows Vista-based computer

If the Automatic Update Service does not appear in the list of services, follow the steps that are listed in Method 3.

Method 3: Restart Windows Services

A 0x80070424 error message may also occur when the following services are stopped. To resolve this issue, follow these steps:

1. Click Start, type services.msc in theSearch box, and then press Enter.
2. If you are prompted for an administrator password or for a confirmation, type the password or click Continue.
3. Locate Background Intelligent Transfer Service and check the Status.
4. If the Status is Stopped, right-click Background Intelligent Transfer Services, and then click Start in the menu.
5. Locate Windows Update and check the Status.
6. If the Status is Stopped, right-click Windows Update, and then click Start in the menu.
7. Locate Workstation and check the Status.
8. If the Status is Stopped, right-click Workstation, and then click Start in the menu.
9. Close Services.

Method 4: Download Download and install the Windows Update Agent

Download and install Windows Update Agent.
For more information about how to download Windows Update Agent, click the following article number to view the article in the Microsoft Knowledge Base: After Windows Update Agent is installed, try to install updates again.

Method 5: Reinstall Automatic Updates on a computer that is running Windows XP SP2

If you are using a computer that is running Windows XP Service Pack 2 (SP2) and your issue has not been resolved, try the following steps

1. Click Start, and then click Run.
2. Copy and then paste (or type) the following command, and then press Enter.
   explorer
3. Locate the following folder:
   %windir% \inf
   Note The %windir% placeholder represents the path of the WINDOWS system folder. Typically, C:\WINDOWS is the path of the WINDOWS system folder. The inf folder is a hidden folder. To view the inf folder, follow these steps:
   1. Click Tools, click Folder Options, and then click the View tab.
   2. In the Advanced settings list, click Show hidden files and folders under Hidden files and folders.
   3. Click Apply, and then click OK.
4. Double-click the inf folder, right-click au, and then click Install.
5. Click Browse. If the following conditions are true, locate and then click the %windir% \ServicePackFiles\i386 folder:
   • You installed Windows XP SP2 from a Windows XP SP2 CD that included SP2 as part of the base installation.
   • You downloaded and installed Windows XP SP2 from the Microsoft website.
   • Windows XP SP2 was included with the computer.
   Note If the ServicePackFiles folder is not present on the computer, you can copy the files from a slipstreamed Windows XP SP2 installation CD if you have one.
6. Click OK to copy the files.
7. Change the setting on the computer not to display hidden files and folders. To do this, follow these steps:
   • Click Tools, click Folder Options, and then click the View tab.
   • In the Advanced settings list, click Do not show hidden files and folders under Hidden files and folders.
   • Click Apply, and then click OK.
8. Restart the computer.

Method 6: Run the Windows Firewall Fix-It

To run the Windows Firewall Fix-It, click the Fix-It image below. If a security notification appears, click Run.Fix this problem

(http://go.microsoft.com/?linkid=9810866)

Microsoft Fix it 9810866

Did this fix the problem?

• Check whether the problem is fixed. If the problem is fixed, you are finished with this section. If the problem is not fixed, you can contact support
  (http://support.microsoft.com/contactus)
  .
• We would appreciate your feedback. To provide feedback or to report any issues with this solution, please leave a comment on the "Fix it for me
  (http://blogs.technet.com/fixit4me/)
  " blog or send us an email
  (mailto:fixit4me@microsoft.com?Subject=KB)
  message.

For more information about error 0x80070424, go to the following Microsoft websites:

• For Windows Vista, go to http://windows.microsoft.com/en-US/windows-vista/Windows-Update-error-80070424
  (http://windows.microsoft.com/en-US/windows-vista/Windows-Update-error-80070424)
• For Windows 7, go to http://windows.microsoft.com/en-US/windows7/Windows-Update-error-80070424
  (http://windows.microsoft.com/en-US/windows7/Windows-Update-error-80070424)