SORRY that I have tried 5 different files, which were too complicated for MMA to import. So I thought that maybe it just does not read any files. But I was wrong. So edited my question.
In here, is a PDF file that MMA would not read.
Import::general: Expected cross reference table >>
Import::general: Expected cross reference table >>
Import::general: Could not find document trailer >>
General::stop: Further output of Import::general will be suppressed during this calculation. >>
Why does it not read this "simple" PDF file?
Sometimes, MMA would not read a different PDF and gives some error. Is there a list of features that MMA does support for PDF files?
ImportString@ExportString[Graphics[Circle[]], "PDF"]
work? $\endgroup$PDF.exe
has just corrupted (broken). $\endgroup$