#zypper update
Retrieving repository 'nVidia Graphics Drivers' metadata --------------------------------------------------------\]
Signature verification failed for file 'repomd.xml' from repository 'nVidia Graphics Drivers'.
Note: Signing data enables the recipient to verify that no modifications occurred after the data
were signed. Accepting data with no, wrong or unknown signature can lead to a corrupted system
and in extreme cases even to a system compromise.
Note: File 'repomd.xml' is the repositories master index file. It ensures the integrity of the
whole repo.
Warning: This file was modified after it has been signed. This may have been a malicious change,
so it might not be trustworthy anymore! You should not continue unless you know it's safe.
How do I Fix this problem? I used this weblink to install the nvidia drivers. It’s been working until now.