Files taking storage space but can't be found anywhere in file explorer. Is there any way for me to delete these files?

[LemniscateE]

I was trying to free up some space on my C: drive since it was getting low but I found that there were files that are taking up space but couldn't be found anywhere in file explorer. I've tried showing hidden files and still nothing. I also used Disk Cleanup tool but it didn't help at all.I used a Disk Analyzer to find some files and folders that I don't need and delete them. As you can see on the left side, there's a 17.4GB worth of files that I can't seem to find using windows explorer. It's taking up space so I want to delete it. The total space it's taking up is about 90GB.I went to my C:

Continue reading...