spatial analyst functions not working

Discussion created by marklung88 on Nov 11, 2011
Latest reply on Sep 20, 2012 by jayakaru
I have a single user ArcMap 9.2 with spatial analyst extension. In the tool/extensions box the spatial analyst tool is checked and no other indications are given. However, when I try to use any spatial analyst tool (e.g. IDW or distance tool) they do not work.
Any ideas?