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When you try to map a drive in Windows Explorer to a network share or to a Web location, Windows Explorer may quit, and then you may receive one of the following error messages.
In Windows XP:
Explorer.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
In Windows 2000:
Explorer.exe has generated errors and will be closed by Windows. You will need to restart the program. An error log is being created.
This problem may occur if the mapped network drive name contains more than 300 characters.
To resolve this problem, install the latest service pack for Windows XP.
For additional information about how to obtain the latest service pack for Windows XP, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to Obtain the Latest Windows XP Service Pack
Service Pack Information
To resolve this problem, obtain the latest service pack for Microsoft Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was corrected in Microsoft Windows XP Service Pack 1 (SP1). This problem was first corrected in Microsoft Windows 2000 Service Pack 4.
Acknowledgment: Rodrigo Gutierrez of Trustix AS contributed to this Microsoft Knowledge Base article.