A user reports that they are unable to open any audio files. Yesterday, the user uninstalled third party music software. Which of the following is the MOST likely cause of the user’s error?（）

• A、The file associations were not returned after the software was uninstalled.
• B、The user is not opening the files correctly.
• C、The uninstalled software has corrupted all the audio files on the computer.
• D、The sound card is not properly configured.