when trying to compile a pdf in r studio: -Error running C:/PROGRA~1/MiKTeX/miktex/bin/x64/pdflatex.exe (exit code -1073740791)

[ciernyd]

when trying to compile a pdf in r studio: -Error running C:/PROGRA~1/MiKTeX/miktex/bin/x64/pdflatex.exe (exit code -1073740791)

any clues what could this be? Tried literally everything,

thanks

error message from R Studio:

Writing to file Testfile.tex
Processing code chunks with options ...
1 : keep.source term verbatim (Testfile.Rnw:6)

You can now run (pdf)latex on 'Testfile.tex'
Running pdflatex.exe on Testfile.tex...failed
Error running C:/PROGRA~1/MiKTeX/miktex/bin/x64/pdflatex.exe (exit code -1073740791)