Recommended antivirus or antimalware exclusions when troubleshooting Application Virtualization (App-V) client issues

This article discusses the AV exclusions you should implement when troubleshooting App-V client issues.

The purpose of this article is to provide information about directories that should be excluded on Microsoft Application Virtualization (App-V) clients if an issue is suspected to be caused by antivirus or antimalware software.

Note We recommend that you temporarily apply these procedures to evaluate a system. If your system performance or stability is improved by the recommendations that are made in this article, contact your antivirus software vendor for instructions or for an updated version of the antivirus software.

The following errors have been observed on App-V clients due to antivirus and antimalware scanning:

The Application Virtualization file system has been dismounted due to a severe error. Report the following error code to your System Administrator.
Error code: xxxxxx-xxxxxx0A-0000E0A3

An unexpected error occurred. Please report the following error code to your System Administrator.
Error code: xxxxxx-xxxxxx0A-0000E005

Note These errors have been associated with antivirus scanning but can be caused by other issues.

More Information

Warning This workaround may make a computer or a network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk. If your system performance or stability is improved by the recommendations that are made in this article, contact your antivirus software vendor for instructions or for an updated version of the antivirus software.

To determine if an issue is caused by antivirus or antimalware scanning, the following directories should be temporarily excluded on an App-V client:

Windows Vista, Windows Server 2008 or later
· %USERPROFILE%\AppData\Local\SoftGrid Client
· %USERPROFILE%\AppData\Roaming\SoftGrid Client
· %PROGRAMDATA%\Microsoft\Application Virtualization Client\SoftGrid Client

Windows XP or Windows Server 2003
· %USERPROFILE%\Application Data\SoftGrid Client
· %ALLUSERSPROFILE%\Application Data\Microsoft\Application Virtualization Client\
· %ALLUSERSPROFILE%\Documents\SoftGrid Client

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For the latest information please see the following KB article:

KB2576031: Recommended antivirus or antimalware exclusions when troubleshooting Application Virtualization (App-V) client issues

Source: http://blogs.technet.com/b/appv/archive/2011/07/06/new-kb-recommended-antivirus-or-antimalware-exclusions-when-troubleshooting-application-virtualization-app-v-client-issues.aspx

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