Frozen Processing Queue

Dear All
I have uploaded 3 images and they seem to be in the processing queue. I have looked at the queue and it seems to be stuck on a image and hasn't changed for over 20mins. The list shows about 40 images to be processed most uploaded 12 hours ago.
Can this be fixed?
I have uploaded images in the past and they have always been processed within a minute. Part of the advantage of uploading from the other side of the globe.

Cheers

Terry
BHQ