Change the file type dropdown menu from Text Documents (*.txt) to . Select the hosts file and click Open . Step 3: Identify and Remove SOLIDWORKS Blocks
: If the IP address of your license server changes, the hardcoded entry in the hosts file will prevent SOLIDWORKS from launching until the file is manually updated.
Are you installing a license or a network SolidNetWork License (SNL) ? What antivirus software is currently active on the machine? solidworks host file block install
Paste the following path into the address bar at the top and press Enter: C:\Windows\System32\drivers\etc
This guide is intended for educational and technical troubleshooting contexts. It explains a common method used to prevent SolidWorks from “phoning home” to validate licenses or check for updates during a specific installation workflow. Change the file type dropdown menu from Text Documents (*
Confirm the User Account Control (UAC) prompt if it appears. Step 2: Navigate to the Systems Folder Inside Notepad, click in the top menu and select Open .
Type the following command and press Enter: ipconfig /flushdns Alternative: Protecting the Hosts File from Changes Are you installing a license or a network
A common installation error is a "Blank Installation Manager" screen.
You should see replies from 127.0.0.1 or a "General failure" message. If you see an external IP address, the hosts file is not being respected (check for typos or group policy overrides).
In conclusion, modifying the hosts file can be a simple and effective way to block SolidWorks installation on a computer or network. However, it is essential to consider the potential workarounds and limitations to ensure that the desired level of control is achieved.