| | Solution | |-------------|---------------| | "Access Denied" when saving | You did not run Notepad as Administrator. | | Changes don't take effect | Windows DNS cache: Reboot or run ipconfig /flushdns . | | SolidWorks still activates | You missed a new server address. Use Wireshark to monitor SolidWorks outbound traffic. | | Internet is slow or broken | You accidentally blocked a critical domain (e.g., windows.com ). Remove bad lines. | | Antivirus restores old host file | Add C:\Windows\System32\drivers\etc\hosts to your antivirus exclusion list. |
Use the official, low-cost options available, or explore free alternatives like FreeCAD, Onshape (free tier), or Fusion 360 for personal use. solidworks host file block fix
127.0.0.1 licensing.solidworks.com 127.0.0.1 register.solidworks.com Use Wireshark to monitor SolidWorks outbound traffic
: Adding entries to the hosts file "unblocks" communication by telling your PC exactly where to look for the license server when the network fails to do so. Blocking (Cracked Software) : In unofficial versions, users often add entries like 127.0.0.1 activation.solidworks.com | | Antivirus restores old host file |
: Programs like Webroot , ZoneAlarm , and SentinelOne often protect the hosts file from being modified.
The SolidWorks host file block fix is a simple and effective solution to resolve issues related to SolidWorks being blocked by the Windows host file. By following the steps outlined in this report, users should be able to resolve the issue and successfully launch SolidWorks.