Microsoft KB Archive/175614

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Article ID: 175614

Article Last Modified on 11/1/2006


  • Microsoft Internet Explorer 2.0
  • Microsoft Internet Explorer 3.0
  • Microsoft Internet Explorer 3.01
  • Microsoft Internet Explorer 3.02
  • Microsoft Internet Explorer 4.0 128-Bit Edition
  • Microsoft Internet Explorer 4.01 128-Bit Edition
  • Microsoft Internet Explorer 5.0
  • Microsoft Internet Explorer 5.01
  • Microsoft Internet Explorer 5.5

This article was previously published under Q175614


When you attempt to use Internet Explorer to view files on a File Transfer Protocol (FTP) site, you may receive the following Dr. Watson error message:

Exception: access violation (0xc0000005), Address: 0x01ed4623

After you click OK, you may be prompted to restore the Active Desktop.


This error message can occur when McAfee PCFirewall is installed on your computer. PCFirewall replaces the Windows NT Wsock32.dll file with its own version of the Wsock32.dll file.


To resolve this issue, replace the Wsock32.dll file with the Windows NT version of the Wsock32.dll file. To do this, follow these steps:

NOTE: McAfee PCFirewall version 1.0.2 uses its own version of the Wsock32.dll file for its firewall functionality. Replacing the PCFirewall version of the Wsock32.dll file disables PCFirewall.

  1. Rename the Wsock32.dll file in the Windows\System32 folder to Wsock32.old.

    For information about how to rename a file, click Start, click Help, click the Index tab, type renaming, and then double-click the "Renaming files" topic.
  2. Click Start, point to Programs, and then click Command Prompt.
  3. Type cd\, and then press ENTER.
  4. Insert the Windows NT CD-ROM into the CD-ROM drive, and then close the Windows NT screen if it appears.
  5. Type the following line at the command prompt, and then press ENTER.

    expand <drive>:\i386\wsock32.dl_ c:\<windows>\system32\wsock32.dll

    where <drive> is the drive letter assigned to your CD-ROM drive, and where <windows> is the name of the folder in which Windows NT is installed.
  6. Type exit, and then press ENTER to return to windows.


The Wsock32.dll file installed by McAfee PCFirewall has a date stamp of 2/7/97.

For additional information about McAfee PCFirewall and this issue, please contact McAfee Associates.

Additional query words: 4.00

Keywords: kbenv kberrmsg KB175614