Some third-party firewalls, antivirus suites, or malware removal tools automatically append corporate or activation domains to the hosts file to prevent data tracking.

Open the and navigate to System and Security > Windows Defender Firewall .

Installing SOLIDWORKS, particularly in corporate, educational, or testing environments, can sometimes lead to activation conflicts or unintended connections to Dassault Systèmes’ licensing servers. A common, advanced troubleshooting technique involves editing the Windows to block SOLIDWORKS from reaching these servers during the installation or activation process.

Because this is a core system file, standard users cannot save changes to it. Open the Windows . Type Notepad in the search bar. Right-click on Notepad and select Run as administrator . Click Yes if prompted by the User Account Control (UAC). 3. Open the Hosts File in Notepad Inside Notepad, click File > Open .

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Blocking SolidWorks via the host file is a method used to prevent the software from connecting to the SolidWorks activation servers. This is typically done to prevent the software from verifying a license online.

The Windows hosts file (located at C:\Windows\System32\drivers\etc\hosts

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.

Based on the search query "solidworks host file block install," here is the useful text regarding why this is done and how to execute it.

The Windows hosts file is a local text file that maps hostnames to IP addresses. Operating systems check this file before querying external Domain Name System (DNS) servers.

Type the following command and press Enter: ipconfig /flushdns Alternative: Protecting the Hosts File from Changes