Hi, I have a crash using current matplotlib binary build for windows on python2.6 If I have active figures open when exiting ipython -pylab using ctrl-d I get a: Fatal Python error: PyEval_RestoreThread: NULL tstate and a crashdialog, see attached bmp This does not happen if I close the windows before exiting Using: windows XP python2.6 matplotlib-0.98.5.3 binary installer numpy-1.3.0 scipy-0.7.1rc3 /Jörgen