: Go to File > Open and paste this path: C:\Windows\System32\drivers\etc\ . Change the file type dropdown from "Text Documents ( .txt)" to **"All Files ( .*)"** to see the hosts file. Add Your Entry : To Block : Add a line like 0.0.0.0 license.solidworks.com .
: Save the file. If Windows denies saving, right-click the hosts file in File Explorer, select Properties , and ensure Read-only is unchecked. Troubleshooting Common Blocks Solidworks Host File Block