The upload button doesn’t work in Firefox, not even after adding Soundcloud to the whitelist on adblockers and popup blockers (And I can upload to other websites just fine). When I click it, it doesn’t bring up the window to choose anything to upload. This is fine with tracks because of the drag and drop option, but I can’t upload images unless I switch to another browser. I do not want to have to open another browser every time I want to upload a track with an image of my choice. What is causing this problem and how do I fix it?