Symptoms

For one user, with IE 11, the "Process Overview" page is always empty. If we go in debug mode of IE11 (F12), we get the following error: line: waitcontrol.style.display = "inline"

Error: Impossible d'obtenir la propriété "style" d'une référence null ou non définie

In English: Unable to get property 'style' of undefined or null reference
 

Diagnoses

Issue linked to the compatibility view setting
 

Resolution

Add the web site to compatibility view setting in Internet Explorer 11.