The Google speak with me about flush the cookies, by and large. I did it, but there is no result.
In addition, I read about similar problems in EasyEngine. But it was connected with DNS-records: it is necessary to create records for both types of domains - www and without www. But this is not my case: my DNS records are in order. In addition, previously Wordpress worked with the same hosting (and with the same domain) very well with Webinoly.
I did nothing more, in my opinion.
Is it impossible to solve the problem by "replacing" with another certificate?