Disable script debugging First try the simple way... Open Internet Explorer > Tools > Internet Options On the last tab "Advanced" under the "Browsing" section check both: [X] Disable script debugging (Internet Explorer) [X] Disable script debugging (Other) Also ensure this is not checked: [ ] Display a notification about every script error If you still continue to get script errors, try this... Open regedit and navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AeDebug Rename the key name to: AeDebug_disabled