macOS Server - Wikipedia
I tried to update my current OS 10.9.5 to OS X 10.10.5 and this pop up is doesn't make any sense this is the reason why I trying to updated the first
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Avid Pro Tools - Now available—Pro Tools 11.3. This free update for all Pro Tools 11 owners adds Mac OS X 10.10 and 10.10.1 (Yosemite) and 10.9.5 (Mavericks) support. http://avid.force.com/pkb/articles/download/Pro-Tools-11-3-Downloads | Facebook
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