Turn off Compatibility View button
Supported on: Internet Explorer 8.0 to Internet Explorer 10.0
Registry
HKLM
Software\Policies\Microsoft\Internet Explorer\CommandBar HKCU
Software\Policies\Microsoft\Internet Explorer\CommandBar Value name: ShowCompatibilityViewButton
Enabled: ShowCompatibilityViewButton = 0
Disabled: ShowCompatibilityViewButton = 1
Description
This policy setting controls the Compatibility View button that appears on the Command bar. This button allows the user to fix website display problems that he or she may encounter while browsing. If you enable this policy setting, the user cannot use the Compatibility View button. If you disable or do not configure this policy setting, the user can use the Compatibility View button.