Dear List, After compiling the following example, which is from February 2021: \setuppapersize[A8,landscape] \setuplayout[leftmargin=2.5cm, leftmargindistance=0.2cm, backspace=2.9cm, width=4cm] \showframe \starttext \margintext{\hairline\\{Me}}\dontleavehmode\hairline \startformula a^n + b^n = c^n. \stopformula \stoptext I get: Command Line: context.exe --synctex=-1 "blackrule1.tex" Startup Folder: \\ub.univie.ac.at\U_Dom\Users G-L\Hermann\Documents\Texlive resolvers | formats | executing runner 'run luametatex format': luametatex --jobname="./blackrule1.tex" --socket --shell-escape --fmt=C:/Users/Hermann/Downloads/context-mswin/tex/texmf-cache/luametatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.fmt --lua=C:/Users/Hermann/Downloads/context-mswin/tex/texmf-cache/luametatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.lui --c:currentrun=1 --c:fulljobname="./blackrule1.tex" --c:input="./blackrule1.tex" --c:kindofrun=1 --c:maxnofruns=9 --c:synctex="-1" --c:texmfbinpath="C:/Users/Hermann/Downloads/context-mswin/tex/texmf-mswin/bin" "\\ub.univie.ac.at\U_Dom\Users G-L\Hermann\Documents\Texlive" CMD.EXE wurde mit dem oben angegebenen Pfad als aktuellem Verzeichnis gestartet. UNC-Pfade werden nicht untersttzt. Stattdessen wird das Windows-Verzeichnis als aktuelles Verzeichnis gesetzt. system > system > ConTeXt ver: 2023.09.03 19:03 LMTX fmt: 2023.9.4 int: english/english system > system > 'cont-new.mkxl' loaded open source > level 1, order 1, name 'C:/Users/Hermann/Downloads/context-mswin/tex/texmf-context/tex/context/base/mkxl/cont-new.mkxl' system > beware: some patches loaded from cont-new.mkiv close source > level 1, order 1, name 'C:/Users/Hermann/Downloads/context-mswin/tex/texmf-context/tex/context/base/mkxl/cont-new.mkxl' system > files > jobname './blackrule1', input './blackrule1.tex', result './blackrule1' fonts > latin modern fonts are not preloaded languages > language 'en' is active system > synctex functionality is enabled, expect 5-10 pct runtime overhead! runtime error : input file './blackrule1.tex' is not found, quitting mtx-context | fatal error: return code: 1 _____________________________________________________________________ ConTeXt Compilation Report (Pages: 0) Errors: 0 Warnings: 0 Bad Boxes: 0