I updated to 10.9.4 yesterday (July 3) now none of my Microsoft applications will open.  Error states they are not comparable with software.  Any ideas?

The following is the error that pops up when I try to open any Microsoft file or application:
Check with the developer to make sure Microsoft Excel works with this version of OS X. You may need to reinstall the application. Be sure to install any available updates for the application and OS

Make sure you are fully updated to 14.4.3.
Microsoft Office for Mac 2011 14.4.3 Update (requires 14.1.0 or newer)
http://www.microsoft.com/en-us/download/confirmation.aspx?id=43378
This last update might require you to enter your CD Key to activate your copy of Office again.
Running the combo updater will fix odd issues like this. Combo updaters will install on the same version as they're applying--no need to roll back or do a clean install.
OS X Mavericks 10.9.4 Update (Combo)
http://support.apple.com/kb/DL1755
Post Date: Jun 30, 2014
File Size: 958.2 MB
Run Font Book to validate your fonts. When Mavericks was first relesed, this helped some users with this issue.
How to use Font Book to validate fonts
  1. Open Font Book in your Applications folder.
  2. Select All Fonts.
  3. Now click in the list of fonts and select all (Edit > Select All).
  4. Under File in the Menu bar, select Validate Fonts.
  5. Duplicate fonts will be marked with either the yellow badge or a black dot.
  6. Select to remove or delete duplicates.*
  7. Delete font caches **
  8. Restart your computer
* Step 6 – remove or delete duplicates is where the tricky part comes in. You can select to let Font Book disable or remove duplicates, but I’ve found that it removes the one you have not been using rather than selecting the best option. See Font Management in OS X, by Kurt Lang, for more info on fonts.
http://www.jklstudios.com/misc/osxfonts.html
**Step 7-See Kurt Lang's directions here to remove font caches
https://discussions.apple.com/message/26188553#26188553

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