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FIX: The Explorer.exe process stops responding (hangs) when you use Windows Explorer that hosts a shell extension that was created by using MFC


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Symptoms

You have a Windows Explorer shell extension that is developed by the Microsoft Foundation Class library (MFC). The shell extension is hosted in Windows Explorer. However, the Explorer.exe process stops responding (hangs) when you open Windows Explorer.

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Cause

This problem occurs because of a code defect in MFC.

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Resolution

A security update fixes this issue. To download the update, visit the following Microsoft Web site:


For more information about this update, visit the following Microsoft Web site:





Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:


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More Information

This problem exists in the following MFC modules whose versions are in the range between 9.0.30304.0 and 9.0.30729.176.
  • MFC90.dll
  • MFC90u.dll
  • MFC90d.dll
  • MFC90ud.dll

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Keywords: kbnotautohotfix, kbhotfixdev, kbexpertiseadvanced, kbsurveynew, kbqfe, kbcip, kb

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Article Info
Article ID : 972685
Revision : 4
Created on : 4/10/2020
Published on : 4/10/2020
Exists online : False
Views : 418