Dear Philip, > What I was experiencing was that the delay occurred at the start of /every/ compilation ... In a file .../texlive2016/texmf.cnf create a line FC_CACHEDIR = c:/your/writable/directory The file .../texlive2016/texmf.cnf is read before distributed .../texlive2016/texmf-dist/web2c/texmf.cnf Best, Akira