10 How do I download and install the FFmpeg Import/Export Library?.9.3.3 Installing LAME on other Debian-based systems.9.3.2 Installing LAME on Ubuntu 11.10 and later.9 How do I download and install the LAME MP3 encoder?.7 How can I solve Audacity not appearing or crashing every time I launch it?.6 Mac OS X: Why do I see 'unidentified developer', 'Mac App Store' or 'damaged' messages when I launch Audacity?.5 Windows: How do I uninstall Audacity?.4 Windows: How can I fix 'Entry Point Not Found' when first launching Audacity on Windows XP?.3 Windows: How do I install Audacity, and do I have to uninstall a previous version first?.2 What should I do if I get errors building Audacity?.1 What should I do if I have problems downloading or installing Audacity?.