The krazy2 source code checker at http://ebn.kde.org/krazy/reports/extragear/multimedia/plasma-mediacenter/index.html currently reports 24 issues for plasma-mediacenter. Take a look at those issues one by one.. To solve this issues: - Checkout and build plasma-mediacenter as mentioned on http://sinny.in/pmcinstall - Use your preferred text editor to edit the source code and compile plasma-mediacenter again. - Once issue is fixed, use git diff to get the patch for your changes - Using patch open review request at https://git.reviewboard.kde.org, add plasma as group of reviewers and "bshah" in people field and submit it. Join #plasma channel on Freenode IRC network. bshah, Shaan7, ksinny and other developers there will be able to help you for questions you have