How to Manually Remove Proxy Server 1.0 and 2.0

ID: Q186815

The information in this article applies to:

Microsoft Proxy Server versions 1.0, 2.0

IMPORTANT: This article contains information about editing the registry. Before you edit the registry, make sure you understand how to restore it if a problem occurs. For information about how to do this, view the "Restoring the Registry" Help topic in Regedit.exe or the "Restoring a Registry Key" Help topic in Regedt32.exe.

SYMPTOMS

In some cases, the uninstall program may fail when you try to remove Microsoft Proxy Server 1.0 or 2.0.

WORKAROUND

To work around this problem, do the following:

Find and delete the following directories on the local hard disk drive, if they exist:
\urlcache
\msp
\winnt\system32\msplogs
\inetpub\scripts\proxy

Find and delete the following file, if it exists:
\winnt\system32\drivers\ipfltdrv.sys

Delete the following registry keys, if they exist:

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing Keys And Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" Help topics in Regedt32.exe. Note that you should back up the registry before you edit it. If you are running Windows NT, you should also update your Emergency Repair Disk (ERD).

Start Registry Editor (Regedt32.exe).

For each of the following registry keys, click the key to highlight it, and then select Delete on the Edit menu:


HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W3Proxy

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WSPSrv

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W3Pcache

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\IpFilterDriver

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\mspadmin

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\mailalrt

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Currentversion
\Uninstall\Microsoft Proxy Server

NOTE: The registry key above is one path; it has been wrapped for
readability.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\W3Proxy

Quit Registry Editor.

Delete the following registry value, if it exists:

Start Registry Editor (Regedt32.exe).

Locate the <MSP@v2.0.372.12> value for Proxy Server 2.0 (MSP@v2.0.389.12 for Proxy 2.0 installed on Windows 2000 server using the install wizard) or the <MSP@v1.0.194.2> value for Proxy Server 1.0 under the following key in the registry:
```
   HKEY_LOCAL_MACHINE\Software\Microsoft\MS Setup (ACME)\Table Files\  
```

Click to highlight this value, and select Delete on the Edit menu.

Quit Registry Editor.

MORE INFORMATION

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.

Additional query words: uninstall

Keywords :
Version : winnt:1.0,2.0
Platform : winnt
Issue type : kbprb