Sorry that you're getting an error "could not call C function private.." while launching Lightroom Classic CC.
Please refer this article How to fix Lightroom launch error 'Could not call C function: private_load_AgCoreTech'. and let us know if that helps in resolving the issue.
thanks for answer, but the mensage it is different.
I try it´s not works.
Please reinstall the Lightroom Classic CC app from the Creative Cloud desktop app and let us know if that helps.