Cortana/Start Menu search results zoomed out accidentally

Using the Dark theme. Problem is, when I press the Start Button and start typing anything, it all turns bright (white/light gray). Issue is described perfectly here: How to change color of search menu in Start to black? I tried the suggestions...

If I do a search for a file or program from Start it now shows a second screen with items similar to right clicking on the results. Not sure how this got happened. Is there a way to restore it to old? 203809

But not all searches lag; only the results for system settings (control panel items/shortcuts) , along with file/folder searches. The only search terms that are instant like they should seems to be anything in shell:programs + some other specials...

Many times when I search from the Start Menu, results come up for files that have been deleted or moved but the old path is listed in the results (so that clicking it throws me a "File cannot be found" type error). I first noticed this when I...

When I go to search something like "photoshop" Adobe Photoshop CC should pop up. But I only get results from searching on Bing and not from searching the computer locally.