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you should be able to reinstall with the desktop software as I did when the mobile version on my 9900 now wont function when i hit the play icon after finding a video on youtube mobile. so friken anoying
This is a known issue. It's happening on other smartphone brands as well, whether you're trying from a youtube app or from a browser. Just know that it's a youtube issue and not a BlackBerry issue.
I hope that helps you.
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