If you open the Finder
click on the GO menu
click on Go To Folder...
then you will be presented with the correct folder
try disabling Cookie for a while to rule out that it is actually Cookie causing the issue
you should uncheck cache removal under Timer Options
I think BlueHarvest is a background app, which removes .ds_store files automatically? and on internal drives?
USBclean, is more for USB sticks, and maybe has more options?
to be honest, I havnt looked at Blue Harvest, so don't know the exact differences