EFS encrypted files on the Desktop or in the Documents folder cannot be decrypted on Windows Vista when Symantec AntiVirus 10.2 client is installed

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Source: Microsoft Support
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On a Windows Vista based computer that runs Symantec AntiVirus 10.2 client, you enable EFS for documents on the Desktop or in the Documents folder. After you reboot the computer and log on again, the encrypted files cannot be decrypted.

The problem does not occur when folders are encrypted in other locations.

Also, when Symantec AntiVirus is uninstalled the problem goes away.

Cause
This occurs due to a problem of Symantec AntiVirus 10.2 client for Vista.
Resolution
To resolve this issue, contact Symantec to upgrade the application. By September 2007, Symantec has released Maintenance Patch 1 for Symantec AntiVirus 10.2 client for Vista, which resolves the issue.
More Information


For more information about this issue, please read the following Symantec document:

http://service1.symantec.com/support/ent-security.nsf/854fa02b4f5013678825731a007d06af/37d43765dbe465c98825727c00672008?OpenDocument
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Article ID: 953799 - Last Review: 01/14/2015 05:08:58 - Revision: 1.0

  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Ultimate
  • kbnosurvey kbarchive kbnomt kbrapidpub KB953799
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