Solidworks Host File Block Fix ((install)) -
SOLIDWORKS "hosts file block" typically refers to an error where the installer or software cannot write to the Windows hosts file, often due to aggressive antivirus settings or a read-only attribute. This is also a common workaround used to resolve SOLIDWORKS PDM
2. How the "Fix" Works
In theory, this prevents SolidWorks from "phoning home" to check if your license key is valid or if it has been blacklisted. solidworks host file block fix
Fix
: Delete these lines or add a # at the beginning of the line to comment them out. Save the file and restart SOLIDWORKS. 3. Check Firewall Outbound Rules SOLIDWORKS "hosts file block" typically refers to an
Occasionally, aggressive antivirus software may block or revert changes to the hosts file. Ensure your security suite allows these modifications. GoEngineer 💡 Alternative Troubleshooting solidworks host file block fix
The hosts file is a plain text file that maps hostnames to IP addresses. By adding lines like: 127.0.0.1 license.solidworks.com ...you are telling your computer to "look" for the SolidWorks license server on your own hard drive instead of on the internet.
Sometimes the SOLIDWORKS Installation Manager appears blank because Windows blocks the downloaded files. Unblock HTML Files Go to your installation folder (usually \sldim\lang\english\HTML\ Right-click on frameset.html Properties , and click the button at the bottom. Repeat for other files if the screen remains blank. MLC CAD Systems
In the context of SOLIDWORKS, "fixing" the host file typically refers to resolving connectivity issues between a client machine and a server (such as PDM or License servers) by manually mapping IP addresses to server names. This is often used as a short-term workaround when DNS resolution fails. Troubleshooting Host File Blocking & Connectivity
- SolidWorks for Makers ($99/year): A fully functional, non-commercial license for hobbyists and personal use.
- Student Edition (Free via Schools): Most universities and community colleges provide free 12-month licenses to enrolled students.
- SolidWorks Cloud Offer (Pay-as-you-go): The new cloud platform allows for monthly subscriptions with no long-term contract.
- EAA Membership ($42/year): The Experimental Aircraft Association offers a free SolidWorks license to its members for non-commercial aircraft design.