This time, the usual way of repairing Miktex by an upgrade didn't work: "Sorry, but something went wrong : Invalid argument: path= "C:\Program Data\ ....".
So the things are going reallv worse ! 2018-03-05 10:41 GMT+01:00 Emile Lunardon <emile.lunar...@gmail.com>: > To test this new installation program, I let the Miktex update run. I have > no idea what has been updated, but what's for sure is that the compilations > with LyX don't work anymore now ! (messsage : pdflatex program ended with > error). > I did not disable the "Windows defender" antivirus for this installation, > but it was found in a previous trial that this did not affect the problem. > > 2018-03-05 10:18 GMT+01:00 Emile Lunardon <emile.lunar...@gmail.com>: > >> This new bundle (v3) for LyX2.3 imposes *without giving the possibility >> to decline the offer,* the update of Miktex. Is it really what is wanted >> ? For all the previous bundle version there was the possibility to refuse >> this update and so to use Miktex as it is. >> >> 2018-03-04 16:13 GMT+01:00 Uwe Stöhr <uwesto...@web.de>: >> >>> Am 04.03.2018 um 06:50 schrieb Emile Lunardon: >>> >>> On Sat, Mar 03, 2018 at 06:14:33AM +0000, Emile Lunardon wrote: >>>> > I managed to have a successfull installation with the installer >>>> version of >>>> > LyX2.3, keeping the anti-virus «Windows Defender» active. So the >>>> problem is >>>> > well linked to the bundle and its interaction with Miktex 2.9. >>>> >>> >>> This cannot be. The bundle installer does exactly the same as the small >>> installer. Only if no LaTeX is found it installs MiKTeX. Since you had >>> MiKTeX installed there cannot be a difference. The configuration of MiKTeX >>> is always the same. >>> We cannot do anything if virus programs detect false positives. >>> >>> Nevertheless, I created a new installer that should avoid the LaTeX >>> problems reported by some users: >>> http://ftp.lyx.de/LyXWinInstaller/LyX2.3.0/ >>> >>> Please test and report back also if your virus software (update its >>> virus definitions before) again finds something. >>> >>> regards Uwe >>> >> >> >