Unable to add store to Citrix Workspace App for Windows when Forcepoint agent is installed

When adding a StoreFront store to Citrix Workspace App for Windows, the Google multi-factor authentication page does not load correctly if Forcepoint agent is installed. The authentication form only partially loads. Without Forcepoint agent, the problem disappears...

Error: "Your account cannot be added using this server address" When Adding a Store on Receiver

The following error is seen whileadding a store on Citrix Receiver: "Your account cannot be added using this server address. Make sure you entered it correctly. You may need to enter your email address instead."...