Article ID: 2289942 - View products that this article applies to.
Malicious software may change Windows Internet Explorer proxy settings, and these changes can prevent you from accessing Windows Update or any Microsoft Security sites.
Certain strains of malicious software can prohibit a computer from being able to access Windows Updates or Microsoft Security Sites. For example, an attempt to access a Microsoft site, such as the following sites, results in being redirected to another page:
To have us reset the Internet Explorer proxy settings for you, go to the "Fix it for me" section. If you prefer to reset the Internet Explorer proxy settings 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. Click Run in the File Download dialog box, and follow the steps in the Fix it wizard.
Reset Internet Explorer proxy settings
Microsoft Fix it 50566
Then, go to the "Did this fix the problem?" section.
Let me fix it myselfImportant This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
To reset your Internet Explorer proxy settings yourself, follow these steps:
Did this fix the problem?
For more information about how to protect your computer from viruses or other malicious software, visit: http://www.microsoft.com/security/default.aspx
For a list of approved software vendors that offer anti-virus software, visit: http://support.microsoft.com/kb/49500