Go to Control Panel
Click on Programs or Programs & Features
Search for BBC iPlayer Desktop and click Change/Remove.
To remove any settings;
Note that you will need to be able to view hidden files. You do this in Windows Explorer by going to Tools > Folder Options and selecting the View tab. Then select Show hidden files and folders.1. Delete the directory
C:\Users\[your user name]\AppData\Roaming\BBCiPlayerDesktop.61DB7A798358575D6A969CCD73DDBBD723A6DA9D.1
2. Delete the directory
C:\Users\[your user name]\AppData\Roaming\Adobe\Air\ELS\BBCiPlayerDesktop.61DB7A798358575D6A969CCD73DDBBD723A6DA9D.1
To remove any downloaded programmes
Delete the directory C:\Users\[your user name]\Videos\BBC iPlayer
For further help you can Contact Us, or you can discuss this issue at the BBC iPlayer messageboard.