To resolve the "SOLIDWORKS host file block install" issue, follow these step-by-step solutions:

ping activation.solidworks.com

When installing or updating SOLIDWORKS, especially in professional or educational environments, users occasionally encounter stubborn license activation failures. These errors often indicate that the SOLIDWORKS application cannot communicate with the SolidNetwork License (SNL) server or Dassault Systèmes' activation servers.

127.0.0.1 crl.microsoft.com 127.0.0.1 customers.solidworks.com 127.0.0.1 events.solidworks.com 127.0.0.1 performance.solidworks.com 127.0.0.1 telemetry.solidworks.com

If your legitimate installation is being blocked, it may not be the hosts file at all. Common culprits include: CurrentWare How to Block Websites Using the Hosts File on Windows 10/11

After saving the hosts file, open the as administrator and type: ipconfig /flushdns This ensures Windows immediately recognizes the changes you made.

To ensure the changes take effect immediately, clear your DNS cache: Open (as Administrator). Type ipconfig /flushdns and press Enter . Alternative: Forcing Connection to a Local License Server

solidworks host file block install