OK, The solution has been to uninstall MikTex and Lyx with Administrator privileges and to reinstall them with standard user privileges !!! It is nonsense, but it finally works.
=========================================================================== Patrick DUPRÉ | | email: pdu...@gmx.com Laboratoire interdisciplinaire Carnot de Bourgogne 9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE Tel: +33 (0)380395988 =========================================================================== > Sent: Thursday, March 07, 2019 at 5:12 PM > From: "Kornel Benko" <kor...@lyx.org> > To: lyx-users@lists.lyx.org > Subject: Re: configuration fails > > Am Donnerstag, 7. März 2019 16:18:54 CET schrieb Patrick Dupre > <pdu...@gmx.com>: > > Hello, > > > > I also tried to run configure.py manually (see the attached configure.log > > generated). > > Then I copied this file into the home directory, and loaded lyx. > > But lyx immediately generates a new configure.log file (which is shorter: > > it stops at > > DEBUG: Failed to remove file texput.log) > > > > Thank for your help. > > configure should create following files: > lyxrc.defaults > preferences > bbxFiles.lst cbxFiles.lst lyxmodules.lst textclass.lst > bibFiles.lst clsFiles.lst packages.lst xtemplates.lst > bstFiles.lst lyxciteengines.lst styFiles.lst > > The log-output shows: > WARNING: Failed to find tex2lyx on your system. > This means, that your PATH is not set correctly. 'tex2lyx.exe' is part of > lyx, should be in the same dir as 'lyx.exe'. > > DEBUG: Failed to remove file chklatex.log > this repeats for all .lst file ... > which from my POV shows, that you don't have the privilege to write into the > user dir. > > Kornel > > > > > > > > > > Am Dienstag, 5. März 2019 20:44:43 CET schrieb Patrick Dupre > > > <pdu...@gmx.com>: > > > > Hello, > > > > > > > > Do you think that it is an issue with Miktex or Lyx. > > > > > > No, I think it has to do with your Windows version. > > > > > > > Lyx has been installed as Administrator with shared access. > > > > Would be try in single user ? > > > > > > That should not make any difference. Lyx is _executed_ under the > > > permissions > > > of the user. And the created files should respect this. > > > No, what puzzles is that > > > 1.) either lyx could create a file but could not delete it afterwards > > > or > > > 2.) lyx detected a non-existant file (which then of course cannot be > > > deleted) > > > > > > I am _not_ a Windows expert though. > > > > > > > > > > > Thank. > > > > > > Kornel > > > > > > P.S. > > > Please reply to list, maybe someone else knows what is going on. > > > > > > > > > >