This article was previously published under Q186815
Retired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows Registry
NOTE: If a Proxy Service Pack has been installed on the Proxy Server, it may be removed prior to uninstalling Proxy from the Add/Remove Programs tool in Control Panel.
In some cases, the uninstall program may fail when you try to removeMicrosoft Proxy Server 1.0 or 2.0.
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
To work around this problem, do the following:
Verify that the following services are stopped:
Content Index Service
IIS Admin Service
Microsoft Proxy Server Administration
Microsoft Winsock Proxy Service
Proxy Alert Notification Service
World Wide Web Publishing Service
Find and delete the following folders on the local hard disk, ifthey exist:
Urlcache (this folder may exist on more than one partition)
Find and delete the following file, if it exists:
Use Registry Editor (Regedt32.exe) to delete the following registry keys, if they exist: