So I wasn't really sure which category to put this in. A few months ago, I was able to drag a subtitle file onto VLC while a video was playing, instead of right-clicking and adding a subtitle file manually. But it stopped working for some reason. Now, every time I would try to drag a subtitle file onto VLC, it would give me this icon:
My Windows is updated (Windows 10, 64-bit), and VLC is updated to the latest version, too. I tried reinstalling numerous times and have tried older versions of VLC, but result stays the same.

My Windows is updated (Windows 10, 64-bit), and VLC is updated to the latest version, too. I tried reinstalling numerous times and have tried older versions of VLC, but result stays the same.