127.0.0.1 updates.solidworks.com
Search the file for any lines containing "solidworks" or "activation".
Navigate to the Start Menu, search for Notepad, right-click on it, and select "Run as administrator" .
The Windows hosts file ( C:\Windows\System32\drivers\etc\hosts ) is often a point of failure or a necessary workaround during installation and licensing.
Scroll to the bottom of the document. Look for any entries containing the words solidworks , dassault , ://solidworks.com , or generic licensing terms paired with local IP addresses ( 127.0.0.1 ). Common blocked lines look similar to this:
Some overly aggressive security software may detect modifications to the Hosts file as suspicious, as malware often uses it to hijack web traffic. If your legitimate edit is being blocked, you may need to temporarily disable your antivirus or add an exception, but always re-enable it immediately afterward.
Paste the following path into the address bar at the top and press Enter: C:\Windows\System32\drivers\etc
This method ensures that even if the software resolves the domain name correctly, it cannot transmit the data out of your machine.
If the installation was corrupted, use the Windows Control Panel to repair it: Go to . Select SOLIDWORKS , click Change , and select Repair . Conclusion
127.0.0.1 updates.solidworks.com
Search the file for any lines containing "solidworks" or "activation".
Navigate to the Start Menu, search for Notepad, right-click on it, and select "Run as administrator" . solidworks host file block install
The Windows hosts file ( C:\Windows\System32\drivers\etc\hosts ) is often a point of failure or a necessary workaround during installation and licensing.
Scroll to the bottom of the document. Look for any entries containing the words solidworks , dassault , ://solidworks.com , or generic licensing terms paired with local IP addresses ( 127.0.0.1 ). Common blocked lines look similar to this: Scroll to the bottom of the document
Some overly aggressive security software may detect modifications to the Hosts file as suspicious, as malware often uses it to hijack web traffic. If your legitimate edit is being blocked, you may need to temporarily disable your antivirus or add an exception, but always re-enable it immediately afterward.
Paste the following path into the address bar at the top and press Enter: C:\Windows\System32\drivers\etc If your legitimate edit is being blocked, you
This method ensures that even if the software resolves the domain name correctly, it cannot transmit the data out of your machine.
If the installation was corrupted, use the Windows Control Panel to repair it: Go to . Select SOLIDWORKS , click Change , and select Repair . Conclusion