cant open a new key

I need help please.

i had to reinstall GpG4win and when i try to sign a new key i get a message saying :
The GPGME library returned an unexpected
error at gpagenkeysimpleop.c:159. The error was:

Invalid argument

This is either an installation problem or a bug in GPA.
GPA will now try to recover from this error.

and then the client will close down. i tried reinstalling cant get around it

please try using Kleopatra until this can be fixed.

Best Regards,