Hi, 

I think there are two different problems. One, to open the sample files. The second, to open the file NYSE1.gdt.
I have tested on Windows 10 Gretl 2019a and no problem to open the sample files. Nevertheless, there is no file called NYSE1.gdt on the Gretl list, there is another called nysewk.gdt. Maybe the file you are looking for is no longer available.

Best, 
Leandro

El jue., 28 feb. 2019 a las 11:06, Periklis Gogas (<perrygogas@gmail.com>) escribió:
I have the same problem with 2018d!
What can be the problem?


On Thu, Feb 28, 2019 at 4:03 PM Periklis Gogas <perrygogas@gmail.com> wrote:
2019a

Now I am installing 2018d to see if anything changes.


On Thu, Feb 28, 2019 at 4:01 PM Sven Schreiber <svetosch@gmx.net> wrote:
Am 28.02.2019 um 14:59 schrieb Periklis Gogas:
Just did this. Uninstalled and installed again. Nothing changed...
I am suing Windows 10.
and which gretl version?
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