Whenever I go into a folder containing mp3 files and press 'Play all' in the column on the left nothing happens.

Does anyone know how I can fix this?

Thanks

What version of Media Player do you have installed? Upgrade it to the latest version or reinstall it.

Yes! This was a bug ive seen many years ago. A good way to repro this is to install a very old version of Hexworks. The problem is that "play all" feature uses Com. If you install a program that does something to com, you'll get that problem. In my case when i installed an incompatible version of hexworks it broke that feature. As soon as i uninstalled the bad hexworks it immediately started working again.

So the question becomes: what have you installed lately? Is your 3rd party software compatible?

I emailed the windows media team about this issue many years ago and at the time they didn't seem too interested in fixing the issue (media player shouldn't let 3rd party program hijack it's com objects)

-gosh

Thanks for the replies, I'm havent really installed anything that could have affected it really. I reinstalled windows and put all the programs on at once and it was working then but not a few days after the install. Its strange.