Enter your admin password when requested. As this re-indexes everything on your drive, prepare to wait awhile. Depending upon the size of your drive and the data on it, you may have to wait several hours.

Once the re-indexing is over, Outlook searches should work again. If not, the aforementioned threads offer a few other potential fixes. One user claimed that, before re-indexing would work, he had to first delete a backup copy of his main Identity folder. Another user reported success by moving the entire Office 2011 Identities folder from its default location to the Desktop and then moving it back again.

Not content to solve just one problem per column, I offer a quick fixes to a trio of other matters you may confront:

The just-released disables all out-of-date versions of Adobe Flash Player as part of its installation process. However, , it is still capable of working with the older versions (if you prefer not to get the latest Player for some reason). To re-activate a previously installed Player, go to the root level Library folder on your drive and locate the “Internet Plug-Ins (Disabled)” folder. From within this folder, find Flash Player.plugin and drag it to the “Internet Plug-Ins” folder in the same Library folder. Quit Safari and restart it.