[melhay]

I just upgraded from XP Pro 32-bit to Windows7 Pro 64-bit. All seems to working OK except sound. I have sound for everything except for some .wav files. Wav files withing applications don't always play. Sounds that came with System 7 play OK. I found this files in the program files directory and clicked to play them with WMP and the seem to be playing (the bar moves across) but there is no sound (which is what happens within the application I run). If I open the file with Quicktime, the sound plays OK.

I've tried a lot of things. Checked drivers, downloaded CODECS and so on. Still no sound with these files. If you look at properties for a sound that plays OK and compare it to one that does not play, they look the same. Any ideas??? And why would they play in Quicktime and not the system or WMP?