## LaTeX forum ⇒ TeX Live and MacTeX ⇒ Live Tex Manager error

Information and discussion about TeX Live distribution for all platforms (Windows, Linux, Mac OS X) and the related MacTeX: installing, updating, configuring
thepenguinattea
Posts: 2
Joined: Sun Jul 07, 2019 5:46 pm

### Live Tex Manager error

Hello,

I hope this is the right place to post this. I've recently tried to get LyX working on my laptop using Tex Live but have found that it can't find the document class/font. From some searching around I've been directed to run the Tex Live manager but when I do it comes up with the following error:

child process exited abnormally while executing
"exec kpsewhich -var-value=TECMFROOT"
invoked from within
"set ::instroot [exec kpsewhich -var-vaule=TEXMFROOT]"
(file "C\texlive\2019\tecmf-dist\scripts\tlshell\tlshell.tcl" line 32)

Then a second error box saying:

C:\texlive\2019\bin\win32\runscript.tlu:907: command failed with exit code 1:
tclkit.exe c:\texlive\2019\texmf-dist\scripts\tlshell\tlshell.tcl

Does anyone know what's going on and how to fix it? I'm on Windows 10.

Thanks!

esdd
Posts: 36
Joined: Sat Jan 25, 2014 9:13 pm
Use the command-line or the TeX-Live command-line or powershell to update your TL 2019:

`tlmgr update --self`

and then

`tlmgr update --all`

thepenguinattea
Posts: 2
Joined: Sun Jul 07, 2019 5:46 pm
Thanks for the reply! I've given that a go but unfortunately the same errors are still popping up.

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