I tried to cancel a background process that was simply Mosaicking to a New Raster 5 images. The background processing window went into something like an infinite loop displaying "Cancelling...Cancelling...". I had to kill the process with Tasl Manager. We are going to officially to the other users in our organization to turn off background geoprocessing. We will keep testing. Maybe with the x64 version, the functionally will be improved. Otherwise, 10.1 is great!
... View more