Write cache Buffer Flushing is disabled.The SFC /scannow didn't show any problems and I noticed that my RAM will go full when I move or delete things.Any ideas?

I was using avast but I tried to remove it to see if it made any difference but nope.I also noticed two things:1.If I try to open other programs or explorer windows while deleting/copying something...

So it's been a month since I upgraded to Windows 10.It was doing fine,and after a while i noticed that when I want to delete,move or copy something the file transfer its too slow and when there are...