Greetings.
With reference to your queries, please find the below link with the procedure to remove the certificate error
http://download1.mwti.net/download/Docu ... cedure.pdf
Inorder to force eScan client systems to download the updates, you need to create a task for the same and set it to manual or enable the scheduler as per your requirement.
Procedure:-
>Open the eScan webconsole.
>Select the "Tasks for specific computers" tab from the left panel.
>Create a "New Task"
>Provide a name for this task and click on "Force Client to Download Update/Upgrade " check box.
>Next select the clients/group that you want this task to be executed on.
>Select the mode of execution i.e. manual or using the scheduler and save the settings.