Having this issue on several machines, can't find anything wrong that would be causing this. Suggestions? I've already looked at this. http://www.sophos.com/support/knowledgebase/article/110044.html
Error message in SEC 5.0
2:04:15 PM 80070520 Could not start installation program on the computer: A specified logon session does not exist. It may already have been terminated.
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