This is a common issue for users who have either manually modified their network settings or are using security software that has locked these entries for protection. Why This Happens
Look for any lines containing the word . These typically look like: 127.0.0.1 backup.lumion3d.net 127.0.0.1 license.lumion3d.net
Even after fixing the hosts file, overzealous antivirus software may re-add these blocks or prevent the software from launching. lumion 2023 host file entries detected exclusive
Select the file named hosts (it will not have an extension). 3. Remove Lumion Entries
: Tools that modify system files for "speed" or "privacy." Step-by-Step Fix for Lumion 2023 This is a common issue for users who
: If you don't see any files, change the dropdown menu in the bottom-right corner from "Text Documents ( .txt)" to **"All Files ( .*)"**.
In Notepad, go to and navigate to the following path: C:\Windows\System32\drivers\etc\ Select the file named hosts (it will not have an extension)
: Antivirus or firewall programs adding "protective" entries to the hosts file.