A mapped network drive appears to be disconnected after you install or upgrade to Symantec AntiVirus 10.0 or to Symantec Client Security 3.0 on a Windows Server 2003-based computer or on a Windows XP-based computer

After you install or upgrade to Symantec AntiVirus 10.0 or to Symantec Client Security 3.0 on a Microsoft Windows Server 2003-based computer or on a Microsoft Windows XP-based computer, you receive the following message for a mapped network drive in Windows Explorer: However, you can still access the contents of the mapped drive. Additionally, when you try to remove the mapped drive in Windows Explorer, you receive the following error message:

This problem occurs because of an issue in Symantec AntiVirus 10.0 and in Symantec Client Security 3.0. For more information about this problem, visit the following Symantec support Web site:

Important 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:

To remove the incorrectly labeled mapped drive, follow these steps:

1. Click Start, point to Run, type regedit, and then click OK.
2. In Registry Editor, locate the following registry subkey:
   HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2
3. Right-click the mapped drive that you want to remove. For example, right-click ##Server_Name#Share_Name, and then click Delete.
   
   Note Replace the Server_Name placeholder with the name of the server that hosts the mapped network drive. Replace the Share_Name placeholder with the name of the mapped network drive.

For more information about similar problems on Windows-based computers, click the following article number to view the article in the Microsoft Knowledge Base: The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products. Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.