How do I lock out Internet Explorer so my users cannot access it?
Click Start, then click Run or go to Start/All Programs, Administrative Tools/Local Security Policy.
Type secpol.msc and then click OK.
Go to software restriction policies, right-click on Additional Rules.
Left-click New Path Rule…
Under Path, enter the patch to Internet Explorer (default path is C:\Program Files\Internet Explorer\IEXPLORE.EXE
Under Security Level, be sure that Security Level is set to Disallowed.
Click Apply.