The plot thickens.  Now, since the failed installation of DxO, not only does it not work but at least one key program no longer works.  It tries to launch and then just disappears with no error message or anything.
 Several Hours Later….
Everything is back up and running again - except DxO.  I uninstalled it after reinstalling [...]

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After a rather favorable first impression with DxO I must add a non-favorable posting.  It will be short but not sweet. 
DxO came out with an upgrade.  Every time I launched the product it asked me if I wanted to upgrade.  A couple of times I responded with a Yes and, after an extremely slow and [...]

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