- You install update 2670838 on a computer that is running Windows 7 or Windows Server 2008 R2.
- You enable the Preview pane in Windows Explorer.
- You select a video so that a preview should be displayed in the Preview pane.
When this issue occurs, the dllhost.exe process is started and begins to exhaust the memory unexpectedly until you receive the error message.
Note This issue also occurs when you move a video file to the Desktop or any other folder by using Windows Explorer.
For Windows 7 and Windows Server 2008 R2
Method 1: Windows UpdateThis update is available from Windows Update.
Method 2: Microsoft Download Center
|All supported x86-based versions of Windows 7||Download the package now.|
|All supported x64-based versions of Windows 7||Download the package now.|
|All supported x64-based versions of Windows Server 2008 R2||Download the package now.|
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
Method 3: Hotfix ServerA supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.
If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.
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 website: Note The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
PrerequisitesTo apply this update or hotfix, you must be running in Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 SP1.
For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
Registry informationTo apply this update or hotfix, you do not have to make any changes to the registry.
Restart requirementYou have to restart the computer after you apply this update or hotfix.
Update or hotfix replacement informationThis update or hotfix does not replace a previously released update or hotfix.
Article ID: 2977728 - Last Review: Sep 9, 2014 - Revision: 1