After installing Infor CRM 8.4 I noticed that the online help stopped working and generated a browser error. Infor is aware of this and published an article with instructions to correct this. KB 1962133
“The name of the Infor server that hosts Infor CRM Online help has changed. This will cause a 404 error when users click the help button to access context sensitive help. To address this, manually edit the URL used by your instance of Infor CRM Web Client.
This impacts Infor CRM versions 8.3 through 8.4 in environments that access help hosted by Infor CRM.”
It is a simple fix and just takes editing the web help URL to this path for 8.4 https://docs-classic.infor.com/crm/8.4.x/