After saving the hosts file, your operating system might still use older, cached network paths. Follow these quick maintenance steps to ensure the block is active. Flush Your DNS Cache
If the software still accesses online features, it may be using a newer domain name or an explicit IP address bypass. In this scenario, supplement your hosts file modifications by creating an outbound rule in your operating system's built-in firewall to block the SketchUp.exe application executable directly. If you want to ensure your setup is secure, tell me: Which version are you running? Which version of SketchUp are you configuring?
To successfully isolate SketchUp, you must redirect its primary licensing, update, and telemetry domains. Copy this definitive list of domains for your hosts file:
If you’re trying to stop automatic updates or telemetry on a legitimate copy, please check SketchUp’s settings or firewall rules instead of the hosts file. block sketchup host file free
Stop SketchUp from forcing version updates that might be incompatible with your current extensions.
Software applications frequently connect to the internet to verify licenses, download updates, send telemetry data, or sync cloud files. For software like SketchUp, users occasionally need to restrict these outbound connections to maintain a stable local environment, prevent unwanted background updates, or troubleshoot network conflicts.
Paste this path into the address bar: C:\Windows\System32\drivers\etc After saving the hosts file, your operating system
The "block sketchup host file free" error typically occurs when SketchUp is unable to access or write to a specific file or folder on your computer. This error can manifest in various ways, such as:
How to Block SketchUp in the Host File for Free: A Step-by-Step Guide
Press Ctrl + O to write the changes, then press Enter to confirm. Press Ctrl + X to exit the editor. Verifying the Block and Troubleshooting In this scenario, supplement your hosts file modifications
After modifying the file, it is essential to ensure the changes are active. Open (Windows) or Terminal (macOS). Type: ping ://sketchup.com
To successfully restrict SketchUp from checking for licensing or updates, you need to add specific Trimble/SketchUp domains to your hosts file. These are common targets as of 2026: ://trimble.com ://sketchup.com ://sketchup.com (If you want to disable online features) ://sketchup.com Part 1: How to Block SketchUp on Windows (10/11)
127.0.0.1 ://sketchup.com 127.0.0.1 ://sketchup.com 127.0.0.1 ://sketchup.com 127.0.0.1 sketchup.com 127.0.0.1 ://sketchup.com 127.0.0.1 ://sketchup.com 127.0.0.1 ://sketchup.com Use code with caution. Step-by-Step Guide for Windows