If you receive an error that the hosts file is blocked or cannot be modified, check these settings:

SolidWorks Installation Manager (SOLIDWORKS SwActivation)

127.0.0.1 activation.solidworks.com 127.0.0.1 upgrade.solidworks.com 127.0.0.1 crashdump.solidworks.com 127.0.0.1 performance.solidworks.com 127.0.0.1 solidworks.licensing.3ds.com 127.0.0.1 license.3ds.com 127.0.0.1 dslic.solidworks.com

If the hosts file is clear but you still face blocks, check your Windows Firewall: Open the Windows Firewall via the Control Panel.

Solidworks Host File Block Fix

If you receive an error that the hosts file is blocked or cannot be modified, check these settings:

SolidWorks Installation Manager (SOLIDWORKS SwActivation) solidworks host file block fix

127.0.0.1 activation.solidworks.com 127.0.0.1 upgrade.solidworks.com 127.0.0.1 crashdump.solidworks.com 127.0.0.1 performance.solidworks.com 127.0.0.1 solidworks.licensing.3ds.com 127.0.0.1 license.3ds.com 127.0.0.1 dslic.solidworks.com If you receive an error that the hosts

If the hosts file is clear but you still face blocks, check your Windows Firewall: Open the Windows Firewall via the Control Panel. solidworks host file block fix