Instructions.txt

CANT ACCESS OR SAVE HOSTS FILE =

A, Check file is not read only.

B, Right click the hosts file and select properties, security, edit, your user, 
   take full control by ticking the full control box, click apply. 
   In XP to see the security tab do this;
   1, Launch Windows Explorer or My Computer.
   2, Click on the Tools at the menu bar, then click on Folder Options.
   3, Click on View tab.
   4, In the Advanced Settings section at the bottom of the list, clear the tick 
      on the use simple file sharing check box.
   5, Click OK.

C, Use the one in this download.

CANT SWAP THE HOSTS FILE =

A, Restart in safe mode and do it there.

HOSTS FILE LOCATIONS =

X86 32bit Windows,  C:\Windows\System32\drivers\etc

X64 64bit Windows,  varies slightly so open explorer
                    or internet explorer, my computer
                    etc and type;
                    C:\Windows\System32\drivers\etc
                    into the address bar and you will 
                    be brought to it.