Hello Bernt! You might have to set some environment variables according to paths on your system:
# setting variables for LyX export TEXMF="${MY_TEXLIVE_LOCATION}/2019/texmf-dist" export TEXMFCNF="${MY_TEXLIVE_LOCATION}/2019/texmf-dist/web2c" I am not sure what this equates to on a Windows system, but I had to set those. Hope this helps, good luck! On 28.05.20 09:51, lyx-users-requ...@lists.lyx.org wrote: > Message: 1 > Date: Thu, 28 May 2020 07:37:39 +0000 > From: Bernt Lie <bernt....@usn.no> > To: "lyx-users@lists.lyx.org" <lyx-users@lists.lyx.org> > Subject: LyX: No textclass is found ?? > Message-ID: > > <vi1pr09mb230420693ecc0e20d07bdcba9c...@vi1pr09mb2304.eurprd09.prod.outlook.com> > > Content-Type: text/plain; charset="utf-8" > > I just installed MiXTeX (latest version, I guess) on my new desktop. Next, I > installed LyX 2.3.4.4. > > When I try to open LyX, I?m told: LyX: No textclass is found > > [cid:image001.png@01D634CA.BB69F590] > > As far as I know, I have installed everything the way I used to do. > > I notice one difference. On my old computer, MikTeX is given path (System > variables): > > * C:\Program Filex (x86)\MikTeX 2.9\miktex\bin\ > > while on the new computer, MikTeX is given path (User variables for ?): > > * C:\Users\...AppData\Local\Programs\MiKTeX 2.9\miktex\bin\x64\ > > Questions: > > 1. Any reasons for this change in path? > 2. What can I do to fix the set-up? (Note: during installation of LyX, LyX > apparently detected the correct path on the new machine.) > > Thanks! > -B
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