How to block website

coldhart

Journeyman
how to block website without restarting computer?
website can be blocked through hosts file entry but user need to restart their computer so is there any other way to block site without restarting computer?
i have kaspersky is 2013 , it can block site without restarting computer but it show dialogue box of kaspersky that firewall blocked the site in browser. is their any possibility to block website without other user to find out that particular site is blocked in system (ie. error code like site not found)
 
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coldhart

Journeyman
so is there any good program to edit hosts file bcoz its quite troublesome to edit hosts file everytime to block & unblock the site
 
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