>>Change the version number? I guess you could use low-level file commands from VFP, but I'm not really sure why you'd want to do this?!?
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>I need some type of way to tell if I'm using an old update or not. I can't check the files DateTime stamp because it changes during a download. So I was thinking how about some of the version information to hold this (either Internal Name or version, ect.) because it won't change. And since this is an InstallShield exe I can't make change it until after its built.
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>What I'm going to do is just put my Self Extracting InstallShield in another Self Extracting InstallShield so it will retain the date.

Hmm, I'm not up on what InstallShield creates, so I guess you could use LLFF to change it. I'm not exactly sure how you'd find that area of the program, though. Can you put specific info in your InstallShield information to begin with? That way you could use the LLFF to read the data in, find your "unique identifier", and then use LLFF to write it back out.