Since a recent upgrade the file associations are a total shambles in Bridge. Two things are particularly bugging me today:
1. I regularly need to open pdf files into Photoshop from Bridge, should be right click > open with> Photoshop. Not anymore, no photoshop in the list.
2. Double clicked a .CR2 Canon raw file in Bridge and it opened in Windows Photo viewer, tried a DNG and it opened in "Snip & Sketch"?!?! Went to the file associations in Bridge prefs and camera raw not listed as an option.
To investigate further, please share the Bridge version & Photoshop version which you are using at your end. Besides, could you also confirm the previous version of Bridge where the file associations were working as expected.