When Installing LyX "No textclass is found" message popped when first launching it, how to solve?

[Kornel Benko]

Am Wed, 30 Oct 2024 12:51:49 +0100
schrieb Scott Kostyshak <skostysh at lyx.org>:

> On Wed, Oct 30, 2024 at 10:23:36AM GMT, matan guedj wrote:
> > I downloaded LyX and TEXlive from the manual in Hebrew, it uses a script to
> > download everything automatically for Hebrew users, (if it helps anyone
> > here's the Hebrew manual
> > <https://e3e48276-49cb-42d0-a822-fc07a1c49081.filesusr.com/ugd/31ae1e_56d829b6a0dc4e2282e99233ad8e7802.pdf?index=true>
> > it's
> > completely in Hebrew, the automatic download is on page 4 of this file).
> > 
> > I'll now present the chronological order of what happened:
> > 
> >    1. I used the script of that manual to automatically download lyx and
> >    texlive.
> >    2. when it finished I opened LyX and found out their script downloads
> >    LyX version 2.3.7 when I wanted the most recent 2.4.2 (important to mention
> >    LyX works just fine at this moment!)
> >    3. I deleted LyX alone.
> >    4. I downloaded LyX 2.4.2 from the official website, in the exact way
> >    the manual explains in the manual way. (the path is
> >    C:\texlive\2024\bin\windows)
> >    5. when I tried to launch I got the following message: [image: enter
> >    image description here] <https://i.sstatic.net/2gzc5xM6.png>
> >    6. I pressed "reconfigure" and then in lyx "reconfigure" again, and
> >    restarted LyX but this pop-up still came up.
> > 
> > I'm downloading it on Windows 10 Home, I already posted on the Hebrew
> > support Facebook group but the post is awaiting approval so I'm trying my
> > luck here, please tell me if you need any more information to help me  
> 
> Hi Matan,
> 
> Thanks for this information. Do you have the .lyx document (and all
> dependencies) that create that PDF? If so, can you share them? It would
> be very useful to have as a test document. Basically, when we make code
> changes to LyX, it's good to recompile .lyx files and see if we get the
> same output. We don't have many test document for Hebrew, so this would
> be a valuable addition to our test suite.
> 
> Thanks,
> Scott

To my understanding no lyx-files are involved here. He simply tries to start lyx.
On unix-like system I would check if lyx is searching the texlive data at the correct
installed paths (to find e.g. Latex2e etc)
The lyx-created file 'configure.log' may contain some hints, but I miss there the actual
searched/found paths.

	Kornel
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