How to Edit the Windows HOSTS File
In Windows 10, 8, and 7, you can’t save edits to the HOSTS file unless you open it directly from Notepad or another text editor. To do so:
What If I Can’t Save the HOSTS File?
In some versions of Windows, you don’t have permission to save directly to the \etc\ folder. If this is the case, you might see an error like this one when you try to save: Instead, you must save the file elsewhere like the Documents or Desktop folder. After saving, go to that folder, copy the HOSTS file, and paste it directly into the location where the HOSTS file should be (C:\Windows\System32\drivers\etc). You’ll be prompted with permission validation and will have to confirm overwriting the file. Another option is to open your text editor program as an administrator so that the permissions are already applied to the editor. Then, saving the HOSTS file over the original can be performed without having to verify your admin credentials. If you still can’t save to the HOSTS file location, you probably don’t have the correct permissions to be editing files in that folder. You should be logged in under an account that has administrative rights over the HOSTS file, which you can check by right-clicking the file and going to the Security tab.
What Is the HOSTS File Used For?
The HOSTS file is the virtual equivalent of a phone company’s directory assistance. Where directory assistance matches a person’s name to a phone number, the HOSTS file maps domain names to IP addresses. Entries in the HOSTS file override DNS entries maintained by the ISP. While this hierarchy might come in handy for regular use, like to block ads or certain malicious IP addresses, its functions also make this file a common target of malware. By modifying it, malware can block access to antivirus updates or force you to a malicious website. Thus, it’s a good idea to check the HOSTS file periodically or at least know how to remove false entries.
