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Thx MjK, this will work.
You are, of course, right about the minimal working example - duly noted!

Hi everybody,

I use the following code to define math operations, here a group operation.


%preamble: centers content in an alignat cell, instead of left/right alignment
\newcommand*\centermathcell[1]{\omit\hfil$\displaystyle#1$\hfil\ignorespaces}

% usage in text: definition of a binary ...

Hi again,

I found a workaround - in case someone encounters the same issue.

ISSUE:
Apperently, pdfcrop requires console output from Ghostscript which is not provided in write18

WORKAROUND:
\immediate\write18{start /wait pdfcrop.exe --verbose \picname && exit}
Instead of just running pdfcrop ...

Hi everybody,

What is the difference/are there restrictions when
1. pdfcrop.exe is run from within TexnicCenter via pdflatex output profile with -enable-write18
VS
2. pdfcrop.exe is run from Windows command line
VS
3. tex file in 1. is run from Windows command line via pdflatex -enable-write18 ...