Try the following steps to see if they help:
If you’re installing the app for the first time, please check that your computer operating system supports it. We list system requirements on our install page. Linux is not supported. We've got more information about this in our Why can't I download on Linux? FAQ.
If an older version exists and can’t be removed, or you’re being asked for the .msi installation folder path, you should uninstall the version you're currently using and then install the latest version of BBC iPlayer Downloads.
If you’re still having problems using the app or playing programmes, try removing and reinstalling BBC iPlayer Downloads. You'll need to download any programmes again as they'll be deleted when you uninstall.
For help uninstalling the application and its associated files completely, check the relevant page for your computer:
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