Windows stops responding when you click a large AVI file

Article 822430 of the Knowledge Base describes the cause of this problem.

Article 822430 of the Knowledge Base provides a fix�for this problem. However, if the provided fix does not solve the problem, you can unregister the component causing it thus solving the problem completely.
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THIS TECHNIQUE IS UNSUPPORTED AND YOU USE IT�AT YOUR OWN RISK!
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1. Click Start, then Run.
   
2. Type [regsvr32 /u shmedia.dll] without the parenthesis.
   
3. Click the OK button.
   
4. After an instant, you will get a dialog with the message "DllUnregisterServer in shmedia.dll succeded.".
   

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When applying the fix proposed in this article, you must be aware that you will also loose the ability to see the summary properties in the tooltip and file properties dialog for AVI, WMA, WMV, ASF�and WAV files. The functionality of such files is otherwise untouched.
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You can undo the effects of applying this fix by repeating the steps above, but substituting the command in step 2 with [regsvr32 shmedia.dll] (notice the missing /u command-line switch).
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Third-party components may cause problems similar to the one described here, for example the Haali Media Splitter. If you have the Haali Media Splitter, you can fix the problem using the same steps but running the command [regsvr32 /u "C:\Program Files\Haali\MatroskaSplitter\mmfinfo.dll"] in step 2 (you may need to change the path to the mminfo.dll if you installed the software in a different folder). This will not prevent the Haali Media Splitter from working. You can restore the component to its previous state by repeating the same steps but omitting the /u argument from the command.

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