Connection Blocked by Hosts File Modification
If you have received this error during the installation process, please follow this guide: How to reset the Hosts file back to the default (Microsoft) in order to reset your system's hosts file, then try to run the installer again.

Installation Logs
If you require any help with this error or any other errors that show up during the installation process, please gather your installation logs according to the steps below and send them to our team so we could assist you further:
- Collect the installer logs by going to %Temp%\ow-electron

- Create a zip file of the folder

- Open a ticket with our support team and attach the zipped log files: https://support.overwolf.com/en/support/tickets/new
If you are encountering issues installing non-Electron Overwolf apps, please try the steps in Overwolf Installation Troubleshooting.