When you attempt to play audio Windows Media content (.wax, .wma) from a Web server via HTTP, Windows Media Player generates:
The network connection has failed. (Error ID = 0xC00D0029).
NOTE: The file may continue to download into the browser cache, but it can NOT be played.
Some third-party multimedia player has assumed ownership of the file extension and may have altered registry value data.
To resolve the problem, Copy / Paste the following into a FixWMP.reg file and Merge it with your registry: