I need to block some websites in my PC. It is running on Windows 8. I tried to block the website by editing the 'host' file in Windows/System32/Drivers/etc folder. Unfortunately it didn't worked.

I don't prefer an antivirus software. I need a clean software that didn't show its name or other details when blocking a site. Can anyone recommend a good software for me ?

  • I use the hosts file as well. Perhaps you might open a question on Super User and explain what you did, so someone can point out where you whent wrong. I suggest making sure the web cache has been cleared on all browsers. (as that will give you a false, bipass) Commented Mar 25, 2014 at 3:26
  • 1
    Do not edit your question in a way that invalidates existing answers! If you want a website blocker on Linux, ask a new question. Commented May 29, 2014 at 14:52

3 Answers 3


I've helped a lab tech friend of mine setup Focal Filter sometime back. I don't have much experience with it but from the homepage it seems to be pretty intuitive to use and configure.

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  • Free
  • Blocks multiple sites
  • Has a time delay
  • Works across multiple versions of windows, Xp and up

There is also a list of other free alternatives at the bottom of the page.


I'd recommend going without additional software. To edit your C:\Windows\System32\Drivers\etc\hosts file, make sure you are running Notepad As Administrator.

If it still does not work, check the ownership of the file. I've already seen it set weird way. I've taken it, re-checked appropriate permissions and then editing worked as expected.


I recommend Cold Turkey. Freeware and works with Windows 8, Windows 7, Vista and updated versions of Windows XP, 2000 and NT.

Features (quoting its website):

  • Block Sites - Use the default list of popular sites to block, or add any number of your own to the list.
  • Block Applications - Cold Turkey can block programs too! Just browse to the executable file to add it to the list.
  • Computer Wide - Cold Turkey's blocking features are computer-wide, which will affect all users and browsers on the computer.
  • Schedule your Block - Cold Turkey can be scheduled to block you in intervals of a half an hour, up to a full week!
  • Unstoppable - Cold Turkey can't be stopped easily as it is not stoppable from the system tray or the task manager.
  • Open Source - In addition to being free and charitable, the source code is available for everyone to see!

Cold Turkey screenshot

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