Running Mac OS x 10.6.5 Brand new dual core iMac: Model Name: iMac Model Identifier: iMac11,2 Processor Name: Intel Core i3 Processor Speed: 3.06 GHz Number Of Processors: 1 Total Number Of Cores: 2 Just D/Led Python ver. 2.7: Python 2.7 (r27:82508, Jul 3 2010, 21:12:11) [GCC 4.0.1 (Apple Inc. build 5493)] on darwin (system came with 2.6 PYTHON which ran fine: IDLE started, opened a window but locked up when used) Python 2.7 runs fine; when I try to start IDLE I get this message: ** IDLE can't import Tkinter. Your Python may not be configured for Tk. ** What do I do to "configure Python" to go get Tk? If this is an Apple/Mac problem, just let me know and I'll ask them. John John D Stackpole, CPP, PRP OEO, Parliamentary Services 11 Battersea Lane Fort Washington, MD 20744-7203 jstackpo@alum.mit.edu Land Line: 301.292.9479 Cell: 301.221.9462