(1) If like many here and elsewhere, you have been experiencing setbacks that can be traced back to the May Day d/l of QT 7.1.6, specifically, the watermarked-QT-logo-with-floating-question mark instead of the media you would normally experience, use this link to light a fire under our amigos at Apple and spark their diagnostic abilities:
http://www.apple.com/quicktime/feedback/index.html
Give them rational, juicy details first. Save the rant for your signature. Per my insider tech pals, 7.1.6 is looking more and more like a bad play for a good cause.
(2) I'm listing all the spots I surfed today that addressed the 7.1.6 issue and seemed to offer possible solutions. One of the ideas might work for you (or not). As for me and Spinnerz2, we're all tweaked out. Try again tomorrow.
http://discussions.apple.com/category.jspa?categoryID=122
https://forums.macrumors.com/threads/301707/
https://forums.macrumors.com/threads/301299/
http://www.macfixit.com/article.php?...70502084625394
http://www.macfixit.com/article.php?...07050308325543

http://www.apple.com/quicktime/feedback/index.html
Give them rational, juicy details first. Save the rant for your signature. Per my insider tech pals, 7.1.6 is looking more and more like a bad play for a good cause.
(2) I'm listing all the spots I surfed today that addressed the 7.1.6 issue and seemed to offer possible solutions. One of the ideas might work for you (or not). As for me and Spinnerz2, we're all tweaked out. Try again tomorrow.
http://discussions.apple.com/category.jspa?categoryID=122
https://forums.macrumors.com/threads/301707/
https://forums.macrumors.com/threads/301299/
http://www.macfixit.com/article.php?...70502084625394
http://www.macfixit.com/article.php?...07050308325543