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The Design of Software (CLOSED)

Windows treats EXEs that have been installed differently than EXEs that you may have downloaded from the internet or elsewhere but have not installed.

How does it know the difference? Does it write something to the registry during installation? Does that mean that if I use a purely xcopy installation, everytime my app runs, it will generate a warning pop up?

Found this (although it is about FF it still shows you what is going on with windows and files that are downloaded):

http://blog.case.edu/bes7/2008/04/21/removing_security_warning_on_files_downloaded_with_firefox_30

IE keeps information about the fact that an executable was downloaded in an NTFS stream attached to the file:

http://www.hanselman.com/blog/RemovingSecurityFromDownloadedPowerShellScriptsWithAlternativeDataStreams.aspx

Hey, alternate data streams are a secret!  ;-)

First rule of alternate data streams is...

Thanks