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View Full Version : How to edit HOSTS file in Windows VISTA, XP - fix DNS problem too.


laurentio
18th September 2008, 09:39 AM
Do you have problems opening a particular website that works fine on other computers on the same network?
or
Are you irritated by a particular pop-up?

Solution:
Preventing access to the websites listed in your HOSTS file.

The first step in editing your HOSTS file is to find it.

My Computer > C: (or whatever drive Windows is on) > WINDOWS > system32 > drivers > etc > hosts

Right-click on the HOSTS file, and click Open. A window will appear asking what to open it with; find Notepad, select it, and click OK.

If you've never edited your HOSTS file before, this is what it should look like:

# Copyright (c) 1993-1999 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#
# For example:
#
# 102.54.94.97 rhino.acme.com # source server
# 38.25.63.10 x.acme.com # x client host

127.0.0.1 localhost

You'll notice all entries begin with “127.0.0.1”; all entries MUST begin with this. If a website is preceded by “127.0.0.1”, this means the website cannot load and is blocked. The first entry in the HOSTS file is “127.0.0.1 localhost”. Your HOSTS file MUST begin with that entry.

To add websites to your HOSTS file (to block them), use this as a guideline:
Code:
127.0.0.1 www.blockthiswebsite.com
After you've edited your HOSTS file, save the changes made (File > Save).

You’re done!

Optional but recommended:

If you would like to use a pre-made HOSTS file, I recommend you use the MVPS HOSTS file. This HOSTS file blocks websites with ads/banners, parasites, hijackers, and unwanted search engines.

If you would like to use the MVPS HOSTS file, open your HOSTS file and delete everything in it. Copy everything in the MVPS HOSTS file (a quick way to select everything is Ctrl+A, then right-click > Copy). Once everything is copied, paste it into your HOSTS file (right-click > Paste). Then, you can save.

Optional but recommended:

I would also suggest you make your HOSTS file read-only. This is not necessary, but by doing so, it makes it harder for malicious software to modify your HOSTS file. To make your HOSTS file read-only:

1) Right-click on the HOSTS file
2) Click Properties
3) You will see a window open. Look at the bottom of the window. To the right of Attributes, check the box that says Read-only.
4) Click Apply/OK.

Note: When your HOSTS file is read-only, you cannot make any changes to it (setting it to read-only helps in preventing modifications to the file), so if you want to add a new entry to your HOSTS file later on, you'll have to uncheck the Read-only box before you edit; you can then set it back to read-only when you're finished.

Donx Cuttler
1st October 2008, 07:07 PM
I like this forum. I have discovered this forum after my UPS virus problem which I have fixed thanks to you guys. I have bookmarked you thinking that I might need you again one day and here we are...the day has come :)
I need your help. I cannot access www.which.com or which.co.uk
I have tried everything possible. Everything is just ok, it is just which.co.uk or .com website the one that doesn't work no matter what. If I connect another computer to the ethernet cable, which.co.uk is again just fine therefore I believe that we isolated the problem. It must be the PC. I have no antivirus, no antispyware, no Spybot SD, my DNS have been flushed and reflushed several times, the cache has been removed...I don't know what else I can try...

laurentio
28th October 2008, 12:43 AM
Try downloading the latest drivers for your network adapter/card, once downloaded, uninstall the existing driver, restart the computer when requested and install the ones you've just downloaded, the updated ones, as soon as you get back to windows.
See if it works and don't forget to let us know.