Solidworks Host — File Block Fix

Navigate to C:\Windows\System32\drivers\etc , right-click the hosts file, select , and uncheck Read-only .

If your company uses a golden image for Windows deployment, and that image contained a cracked version of SolidWorks two years ago (even if removed), the Hosts file entries are baked into the registry as a scheduled task. solidworks host file block fix

Click Start , type Notepad , right-click the application, and select Run as Administrator . Navigate to C:\Windows\System32\drivers\etc

If the issue is related to file corruption rather than connectivity: right-click the hosts file