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Incorrectly told you're outside the UK
If you are in the UK but told that you are not, this guide gives advice.
Click to Play (streaming)
This guide has details on common problems affecting streaming, including not being able to go full-screen, why you are told to keep installing Flash, not hearing any sound, and why video may be out of sync.
Real and other radio problems
If you need advice with listen live or listen again for radio programmes, please see our detailed advice.
BBC iPlayer Desktop
BBC iPlayer Desktop is still being trialled so there may be some issues. If you are having problems with Adobe Air or Flash, see this advice at Adobe's site on how to remove Flash.
This link will take you to a website outside BBC Online. The BBC is not responsible for content or software downloaded from external sites.
You may also need to remove previous versions of Air and install the latest version. Further information on other known issues is here.
Windows Media Player downloads
If your programme is not playing properly, such as the image is jumping or it is freezing, or otherwise acting incorrectly, please see this advice.
Other problems, such as being told you do not have a licence to watch your programme, have guides.
Download for portable devices
Please see the troubleshoot guide.
For further help you can Contact Us, or you can discuss this issue at the BBC iPlayer messageboard.