127.0.0.1 sw.activation.dart 127.0.0.1 license.dat 127.0.0.1 events.spatial.com
Legitimate reasons for blocking (in a corporate or managed environment): Solidworks Host File Block
Below is the consolidated list of domains that SolidWorks typically communicates with. To implement the block, you must map all of these to 127.0.0.1 . Solidworks Host File Block
Sometimes, your AV software will "protect" the hosts file and revert your changes. Disable it temporarily while editing. Solidworks Host File Block
To solve this without manually hunting down every registry key, Sarah used a :
The SolidWorks Installation Manager will fail to check for updates or download required files.