I have just installed yhmath package but when I try to use it I get
! I can't find file 'yhcmex10.mf'.
I don't understand it because I have updated the filenames and if I do
initexmf --find-latex-input yhcmex10.mf
it returns
c:\texmf\tex\latex\yhmath\yhcmex10.mf
So what is the problem.