Thanks guys, I am setting the default apps successfully, and everything works as I want for a while. Images open in irfanview, music plays in Winamp, videos in VLC. But then I leave my computer for a...

Thanks for the reply, I have seen this article and tried a few methods to change my associations, all of which work, but only for several hours. The problem is that the associations I make are...

Every time I reboot, the file associations for images (jpg/png), media (mp3/wav/mp4/mkv) revert back to the default Microsoft apps. I prefer to use VLC for videos, Winamp for audio and Irfanview for...