Saga Lout:
Unsure what this means and, at Age 68, I sure don't understand what: Try to delete it again and hold the screen with the "in use" screen open. Press Control, Shift and Escape together and in the Task Manager, click the Processes tab.
Go through the list for anything that looks like it's related to uTorrent. Right click any you find and click End Process then quickly go back to the "in use" screen and click the "Try again" button.