If search or login buttons do not respond when clicking in your AutoVue application, it is likely that active scripting is disabled in Internet Explorer.
Active scripting can be enabled in IE with the following steps;
Open 'Internet Options'
Select 'Security' tab -> 'Local Intranet' -> 'Custom Level'
Scroll down to 'Scripting' Section -> 'Active Scripting' -> 'Enable'
OK the setting change
Re-test the application