REGEDIT4

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\AdvancedOptions\PAC]
"Text"="Automatic Proxy Configuration"
"Type"="group"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\AdvancedOptions\PAC\PROXYCACHE]
"CheckedValue"=dword:00000001
"DefaultValue"=dword:00000000
"HelpID"="iexplore.hlp#00000"
"HKeyRoot"=dword:80000001
"RegPath"="Software\\Policies\\Microsoft\\Windows\\CurrentVersion\\Internet Settings"
"Text"="Use automatic proxy result cache (UNCHECK for no-ads)"
"Type"="checkbox"
"UncheckedValue"=dword:00000000
"ValueName"="EnableAutoProxyResultCache"

[HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings]
"EnableAutoProxyResultCache"=dword:00000000