Methods to Resolve Error Code 0x800A138F

When you perform the following steps to update your Windows XP or Windows Vista PC:

1. Open Windows Update Website.
2. Click Scan Now to scan your PC for required updates.
3. Click the Review and Install button.
4. Click Install Now on the page the opens.

The error message given below may be displayed:

Windows Update Error Windows Update has encountered an error and cannot display the requested page. Select from any of the following pages for information about Windows Update services, or send us your feedback. Windows Update Home Page About Windows Update Support Information Send error number to Microsoft (0x800A138F)

Resolution Methods

The error message given above may be triggered due to several reasons. Discussed here are some of the methods that have been found to resolve the issue.

Note: Steps listed here are for Internet Explorer 7.

Method 1: Delete Temporary Internet Files

1. In your Internet Explorer window, open Tools menu, and then select Internet Options.
2. Next, on the General tab click the Delete button.
3. On the Delete Browsing History dialog box, click the following buttons to clear the temporary Internet Files:
   • Delete Cookies
   • Delete Files
   • Clear History
4. Restart Internet Explorer and try to run the Windows Update again.

Method 2: Check Internet Explorer Security And Content Settings

1. Open the Internet Options dialog box in Internet Explorer and then display the Security tab.
2. Here, select Trusted Sites and then click Default Level.
3. Next, click the Sites button and then in the Trusted Sites dialog box, clear the Require server verification (https:) for all sites in this zone check box.
4. Type each of the following URLs in the Add this website to the zone dialog box and then click the Add button.
   • http://windowsupdate.microsoft.com/
   • http://v4.windowsupdate.microsoft.com/
   • https://v4.windowsupdate.microsoft.com/
   • http://download.windowsupdate.com/
5. Finally click Apply and then OK to confirm your decision and then exit the dialog box.

Note: Ensure that none of these websites are included in the Restricted Sites section.

1. Next, if you are using Windows XP, then display the Content tab in the Internet Options dialog box.
2. Here, click the Clear SSL State button to clear the Secure Sockets Layer (SSL) state.
3. Next, on the General tab click the Delete button and then clear the AutoComplete by clicking the following buttons:
   • Clear Forms
   • Clear Passwords
4. Restart Internet Explorer and try to run the Windows Update again.

Method 3: Ensure that your Internet Explorer uses SSL 2.0 and SSL 3.0

1. Open the Internet Options dialog box in Internet Explorer and then display the Advanced tab.
2. Scroll down and ensure that the Use SSL 2.0 and Use SSL 3.0 check boxes are selected-select them if they are not.
3. Also, clear the Check for server certificate revocation if it is selected.
4. Restart your system.
5. Open Internet Explorer and try to run the Windows Update again.

Method 4: Check date and time settings of your PC

Double-click on the Time display at the bottom-right corner of the screen to open the Date and Time Properties dialog box. Here, ensure that the date and time settings of your PC are correct. If they are not, you are likely to receive the error code 0x800C0008 when trying to run Windows Update.

Method 5: Check Internet Explorer Language Settings

On the General tab of the Internet Options dialog box in Internet Explorer, click the Languages button. Here, if language is missing from the Language: box, add it, click OK, restart Internet Explorer and then try to run the Windows Update again.

You may also try to temporarily turn-off security software such as firewall and antivirus programs while running the update. You may also attempt to clean your registry with the help of reliable registry cleaner tool, such as RegServe.