If Windows doesn’t allow you to remove a folder, saying it could not find this item, even tough it is there, look closer at the folder name.
Perhaps, it has a space at the very end. However, Windows doesn’t allow to rename it either, saying the old and the new names are the same. So, fire up old good Far Manager and rename the folder from there. After that, you should have no problem deleting it. For justice, Far can’t remove a folder with a space at the end either.