>I have installed libtiff 4.0.0dev-91 via osgeo4w setup. please choose libtiff 4.0.0dev-90 Helmut -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/Runtime-error-Program-C-Osgeo4w-bin-python-exe-tp7038211p7038597.html Sent from the Grass - Users mailing list archive at Nabble.com.