A question about setup.exe

[Paul McFerrin]

I did the upgrade to 1.7.1-1 without any problems.  During the remainder 
of the day, I accidentally blew away my installation of 1.7.1-1.  I 
restored my installation from a backup several days old (1.7.0-65).  Now 
I'm trying to upgrade again.

Now the questions I have are:
When I run setup again, it downloads/installes everything in under a 
minute instead of the hour previously.  How can I "force" all of my 
installed packages obsolete to force a reload?  I hate to spend all that 
time checking the 200+ boxes on the packages page?

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