Your second point made me check Winaero Tweaker, and in fact, I had the "make taskbar more transparent" feature enabled. Disabling it brought back the real-time blur. Thanks!
SlashV
If it helps, the programs I have installed that could modify the appearance of the UI besides Windowblinds are: Start10 7+ Taskbar Tweaks OldNewExplorer CustomizerGod Winaero Tweaker and T-Clock.
Sorry if this is hard to understand. It's my first post on the forum.
I uninstalled and reinstalled Windowblinds, and once I re-applied a theme with a translucent blurred/glass taskbar, it no longer blurred any windows in the background, and didn't display them at all. If I restart explorer.exe with a window inside the taskbar, it will show the window blurred in the taskbar as it's supposed to be, however as soon as I move that window outside of the taskbar's range the window still looks as if it's there Also, to add on, if I focus on a window which is above th