If you are using Tunnello with Avast Anti-Virus / Firewall you may get an error. Tunnello may not working at all. To fix this issue just follow these steps:
1. Launch Avast
2. Go in "Preferences"
3. In Web Shield, click on "Settings"
4. In Web Shield Settings, uncheck:
- Scan secured connections from browser only
- Scan secured connections
You will now be able to use Tunnello with Avast.
To see in image please check attachments