I have cer certificate file. I add to firefox these ways. Open Firefox and go to Options: Click Privacy & Security in the left-hand menu and scroll down to Certificates. Click View Certificates... and the Certificate Manager window displays. Click Authorities and then Import....Browse to locate the downloaded ca. ... Click OK.
I want open zotero account on zotero but i give an error. error message is" api.zotero.org uses an invalid security certificate."
I still don't know what you mean here. A .cer certificate file for what?
api.zotero.org obviously has a valid certificate. If you're seeing something different, your connection is being intercepted. See SSL Certificate Error.
Upgrade Storage
If you're trying to access a WebDAV server with a self-signed certificate, see Cert Override.
Click Privacy & Security in the left-hand menu and scroll down to Certificates.
Click View Certificates... and the Certificate Manager window displays.
Click Authorities and then Import....Browse to locate the downloaded ca. ... Click OK.
I want open zotero account on zotero but i give an error.
error message is" api.zotero.org uses an invalid security certificate."
I installed zotero with flatpack.
api.zotero.org obviously has a valid certificate. If you're seeing something different, your connection is being intercepted. See SSL Certificate Error.
https://www.zotero.org/support/kb/cert_override#custom_certificate_authority
As noted there, it might just work if you try the Zotero 7 beta.