- You have a computer that is running Windows 8.1, Windows Server 2012 R2, Windows 7 Service Pack 1 (SP1), or Windows Server 2008 R2 SP1.
- You create an environment variable, and you set it to %APPDATA% or %LOCALAPPDATA%.
- You run the Set command from a command prompt to query the environment variable. For example, if you had set the value to %APPDATA%, you can see the following query result:
- Applications on the computer make some changes to system parameters so that a WM_SETTINGCHANGE message is sent to the top-level windows.
- You open a new command prompt window, and then run the Set command again.
To resolve this issue in Windows 7 and Windows Server 2008 R2, install the hotfix that is described in this article.
Update information for Windows 8.1 and Windows Server 2012 R2For more information about how to obtain update 2919355, click the following article number to view the article in the Microsoft Knowledge Base:
Hotfix information for Windows 7 and Windows Server 2008 R2A 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 the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
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, contact 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 hotfix, you must be running Windows 7 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 hotfix, you do not have to make any changes to the registry.
Restart requirementYou must restart the computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace a previously released hotfix.
Article ID: 2913826 - Last Review: 8 Apr 2014 - Revision: 1