Hello Oliver,
Thank you very much. You encouraged me to do some more tests and finally I
discovered something useful.
The cow.pdf from context examples runs smoothly.
My .pdf was saved in Adobe Acrobat 8 Pro and this turns out the main cause.
Saving with older versions compatibility and
Vyatcheslav Yatskovsky wrote:
Hello Oliver,
I reinstalled TeXLive2007 from scratch -- fonts work fine, but .pdf
images are replaced by dummy rectangles. (ImageMagik makes no
difference.)
This sounds like the command execution extension is turned off.
Whether or not ConTeXt is allowed to