> The problem start after updating my OS windows 10 Interesting .. I have seen this on a different computer, too, that c:\windows\system32 is not any longer in the PATH. What a pain. Norbert -- PREINING Norbert http://www.preining.info Accelia Inc. + JAIST + TeX Live + Debian Developer GPG: 0x860CDC13 fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13