I use pdflatex on Windows to compile my .tex code and I can't compile until I close my .pdf file. This is what he tells me:
latexmk -e '$pdflatex=q/pdflatex %O -shell-escape %S/' -pdf -g .\title-page.tex
! I can't write on file `title-page.pdf'.
Please type another file name for output:
I wouldn't want to use another filename each time I compile.