Nextcloud version (eg, 12.0.2): 16.04
Operating system and version (eg, Ubuntu 17.04): 18.04
Apache or nginx version (eg, Apache 2.4.25): nginx/1.14.0
PHP version (eg, 7.1): 7.2
The issue you are facing:
download.nextcloud.com not reachable
Is this the first time you’ve seen this error? (Y/N): N
Steps to replicate it: