Microsoft KB Archive/930158

= You cannot remove Windows Live OneCare 1.1 or an earlier version from a Windows Vista-based computer =

Article ID: 930158

Article Last Modified on 9/10/2007

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APPLIES TO


 * Windows Live OneCare

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SYMPTOMS
You cannot remove Windows Live OneCare version 1.1 or an earlier version from your Windows Vista-based computer.



CAUSE
You upgraded from Microsoft Windows XP to Windows Vista before you upgraded from Windows Live OneCare version 1.1, or an earlier version, to Windows Live OneCare version 1.5. Windows Vista does not support Live OneCare version 1.1 and earlier versions.



RESOLUTION
 Use Programs and Features to uninstall Windows Live OneCare:  Click Start, type programs and features in the Start Search box, and then click Programs and Features in the Programs list. Click Windows Live OneCare, and then click Uninstall. Follow the instructions to remove the program.  Use the OneCare Cleanup utility to remove any remaining OneCare components:  To download the OneCare Cleanup utility, visit the following Web site:

http://download.microsoft.com/download/4/c/b/4cb845e7-1076-437b-852a-7842a8ab13c8/OneCareCleanUp.exe

</li> Run the OneCare Cleanup utility to remove the OneCare components, restart the computer, and then reinstall Windows Live OneCare. If the issue is not resolved, go to the next step.</li></ol> </li> Use the Windows Installer CleanUp Utility to remove the Windows Live OneCare items:  If you do not already have the Windows Installer CleanUp Utility, install it. To download the Windows Installer CleanUp Utility, visit the following Web site:

http://download.microsoft.com/download/e/9/d/e9d80355-7ab4-45b8-80e8-983a48d5e1bd/msicuu2.exe

</li> Run the Windows Installer CleanUp Utility to remove the Windows Live OneCare items.</li></ol> </li> In the Program Files folder, delete the Windows Live OneCare folder.</li> To open a Command Prompt window, click Start, type cmd in the Start Search box, and then press ENTER.</li> Type or paste the following command at the command prompt, and then press ENTER:

Regsvr32 /u c:\windows\system32\winsswebagent.dll

</li> Remove additional Windows Live OneCare items:  Change the path in the command line to the CleanUp Utility folder. To do this, enter the following command at the command prompt, and then press ENTER:

cd\program files\windows installer clean up

Note You must be in this folder for the msizap command to work correctly.

</li> The following list contains the items that must be deleted and the commands to remove them. At the command prompt, paste each removal command, and then press ENTER. <ul> Microsoft Malware Protection On Access Scanner

Msizap !t {12D3AF08-DDCB-48C9-A8C4-DBF28F0419EB} </li> Microsoft Malware Protection Engine Files

Msizap !t {52D28FE3-75BC-4096-98C6-206C7685BCD1} </li> PX Engine

Msizap !t {6513E869-647F-40FD-A55D-CFC92579B9BA} </li> <li>Microsoft Protection Service

Msizap !t {A34C8918-A2C3-4494-A325-D4AA603B9C79} </li> <li>Dr Watson for Microsoft Windows OneCare Live v1.0.0971.38

Msizap !t {C544F99D-39EF-4E6D-95BE-4E41C1D8C4CB} </li> <li>Microsoft Windows OneCare Live v1.1.1067.14

Msizap !t {D07A8E7E-D324-4945-BA8C-E532AD008FF3} </li></ul> </li></ol> </li> <li>Delete the related registry keys.

Important This step 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, visit the following Web site:

http://support.microsoft.com/kb/256986

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.

<ol style="list-style-type: lower-alpha;"> <li>To open Registry Editor, click Start, type regedit in the Start Search box, and then press ENTER. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.</li> <li>Delete the following registry keys: <ul> <li> </li> <li> </li> <li> </li> <li> </li> <li> </li> <li> </li> <li> </li> <li> </li> <li> </li></ul> </li></ol>

This should remove Windows Live OneCare from the computer.</li> <li>Install Windows Live OneCare version 1.5.</li></ol>

Keywords: kbtshoot kbprb kbmsnpartnerportal kbexpertisebeginner kbmsnqwestportal KB930158

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