Hi,
1. What exactly happen when you try playing the flac file?
2. Do you get any error message?
Flac file is not supported by Windows media player, refer this link to know more about file types supported by Windows media player:
http://windows.microsoft.com/en-US/windows7/C00D1199
Try installing the codec’s that support the file and check if it helps, here is the link:
http://windows.microsoft.com/en-US/windows7/Codecs-frequently-asked-questions
You can also try converting the file into mp3 format and check, use your favorite search engine and download audio converter and check if it helps.
Important Note: This response contains a reference to a third party World Wide Web site. Microsoft is providing this information as a convenience to you. Microsoft does not control these sites and has not tested any software or information found on these sites; therefore, Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. There are inherent dangers in the use of any software found on the Internet, and Microsoft cautions you to make sure that you completely understand the risk before retrieving any software from the Internet.
Please respond and let us know the status of the issue.
Azam – Microsoft Support.