Adobe Acrobat Reader and Pro DC – Invalid Numeric Value


We experienced this problem while troubleshooting a PC that couldn’t select the number of copies that they could print, as shown below:



The user could print multiple copies with no problems on other applications but not on the Adobe suite.

We would get this error while trying to select advanced functions for printing, or when choosing preferences:



After reinstalling,  testing other PDFs, no dice.


The problem was that the decimal symbol on Windows was a space, and it seems that Adobe doesn’t know how to interpret that.



After switching it over to use a period (.), the problem was solved and the error message Invalid Numeric Value stopped appearing.



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