If you need to install MiKTeX packages without using the MiKTeX Package Manager (mpm.exe), you may run into problems with missing font maps that are not properly registered in the index. A typical error message looks as follows:

A simple solution – that worked out for me at least – is to run updmap.exe one or several times.

References

      Solved thanks to

this post

      .

MiKTeX manualII. Reference