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CWYW 6: Since installing EndNote 6, Microsoft Word XP (2002) or Word 2003 is running slowly or freezing periodically. Word is reporting error messages such as "Unknown Error 0x800A1007" or messages which indicate there are too many edits or not enough resources/memory. Memory usage gradually increases and the CPU usage climbs to 100% and stays there. I cannot save my document and I have to use the Task Manager in order to quit Word.

Answer: There is a known problem that occurs with Word XP and 2003 where the use of certain smart tags in Word triggers a memory leak. Note that this problem was fixed in EndNote 7, but here are the steps to resolve the problem in EndNote 6:
  1. In Word go to Tools / Options / File Locations, select Startup, and click the Modify button. Note the path to the Word Startup folder as indicated under the Look In dropdown box at the top of the window.
  2. Now cancel out of this window, close Word (and Outlook, if running), and navigate to this folder through Windows Explorer or My Computer. (Note: If you cannot find the specified folder, your windows preferences may be set to hide the folder. In Windows Explorer go to Tools / Folder Options / View tab and make sure that "Show hidden files or folders" is selected). You should see at least two files in this folder: EN6Cwyw.WordXP.wll & EN6CWYW.dot. If you do not see the .wll and .dot file extensions, go to the Tools menu and select Folder Options / View tab. Uncheck the box that reads "Hide file extensions for known file types" and click OK. Remove EN6Cwyw.WordXP.wll and place it in the Recycle Bin.
  3. Now navigate to the EndNote 6 program folder (typically C:\Program Files\EndNote) and locate a file called EN6Cwyw.wll. Make a copy of this file and paste it into the Word Startup folder.
  4. Now start Word again and you should be able to insert citations and work with EndNote 6 and Word XP or 2003 without it slowing down, freezing, or crashing.

We also recommend that you have the latest updates from Microsoft installed
(see http://office.microsoft.com/productupdates/).

Note: This workaround for EndNote 6 was designed and tested before the release of Word 2007, and EndNote 6 is no longer actively supported. We do not claim this workaround will work properly in Word 2007.


This page was last modified on: October 15, 2007

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