Block Sketchup Host File Free -

The hosts file is a local plain text file used by your operating system to map hostnames to IP addresses. Before your computer queries a DNS server, it checks this file. By adding an entry like:

127.0.0.1 licensing.sketchup.com

you redirect that domain back to your own machine, effectively blocking communication with Trimble’s servers.

1. "Access Denied" when saving:

2. SketchUp crashes on startup:

3. The Welcome Screen is blank:

You need to add specific lines to the bottom of the file. The standard format is: [IP Address] [Domain Name]

Typically, 127.0.0.1 is used to block a site (it redirects the request back to your own computer). block sketchup host file free

Common SketchUp Related Domains: Copy and paste the following lines at the very bottom of your open host file:

# Block SketchUp Licensing Servers
127.0.0.1 auth.sketchup.com
127.0.0.1 api.sketchup.com
127.0.0.1 3dwarehouse.sketchup.com
127.0.0.1 extensionwarehouse.sketchup.com
127.0.0.1 help.sketchup.com
127.0.0.1 learn.sketchup.com

(Note: The # symbol creates a comment. It helps you remember what you added later. You can leave that line out if you prefer.)

Simply saving the file might not take effect immediately. You need to refresh your network settings. The hosts file is a local plain text

For Windows:

For Mac:

127.0.0.1 license.sketchup.com
127.0.0.1 api.sketchup.com
127.0.0.1 sketchup.com/activation

Note: The exact server names are not publicly listed by Trimble. You would need to monitor network traffic to find current addresses. you redirect that domain back to your own

Instead of blocking the host file, consider these legal options:

Editing the host file acts as a "local firewall." It tells your computer to ignore specific internet addresses. In the context of SketchUp, this is often used to: