I sometimes get this with pdox 9 on win 7.  For me it seems to be a 
memory issue as it occurs only after the program has been running (and 
printing) a while.  Restarting Pdox fixes it for us.  Sounds like you 
are having more issues that just that though.
--
mark b
On 2/4/2018 12:04 AM, Linda wrote:
> Hi.
> Yesterday I could print form Paradox 11 in Windows 10 and  have worked ever
> before and still on my other computers.
> Suddenly I get the error message: "No printer installed or windows cannot
> print"  when trying to print something or use printerGetCurrent() method. on
> one of the pc's
> I have not made any known changes. I have tried re-install paradox 11 . I
> also tried install the runtime version with same printing problem. Still the
> same message. All other programs prints OK.
> Does anybody know what ca be wrong.?
> Thanks .
> Linda
> 
>