Error message: "Unable to establish a secure connection"

If you look at the Roku Error Code 009, the device has successfully connected to the router, but cannot access the internet. This is also similar to Error Code 14. In essence, your device does not recognize the wireless signal for your preferred network and displays error messages such as "Unable to connect to the wireless network" or even the message "Not connected to the Internet." Solution : https://www.errorcodeexpert.com/how-to-fix-roku-error-code-009/

An "Error Code: 35" message might appear while attempting to check for device software updates. ... These errors can be caused by various security software or hardware on a network, including anti-virus applications, proxies, and firewalls.

An "Error Code: 35" message might appear while attempting to check for device software updates. A "Network error (35): An Internet Connection could not be established" message might appear during other operations (such as clicking the Online Account link).

These errors can be caused by various security software or hardware on a network, including anti-virus applications, proxies, and firewalls.
Possible solutions include:

1. Verify the Network (Proxy) Settings on the IronKey device. In IronKey Control Panel click Settings > Network Settings. Direct Connection and Use System Settings are the most common settings, but some networks (usually in a corporate environment) require the usage of an automatic configuration script or manual settings.
2. White-list " *.ironkey.com " in your security software or hardware. Each product follows different steps to accomplish this task, so read the security product's user guide or contact their technical support for assistance with white-listing URLs.

I suggest you to follow the below steps and check if it helps.
Step 1:
This error 734 may occur if either of the following conditions are true:

1. Multi-link negotiation is turned on for the single-link connection.
   

2. The dial-up connection security configuration is incorrectly configured to use the Require secured password setting.
   

You may refer to the below article and check if it helps.
"Error 734: The PPP Link Control Protocol Was Terminated" Error Message Occurs If You Try to Establish a Dial-Up Connection
http://support.microsoft.com/kb/318718
You may try the steps suggested in the above article in Windows 10 also.
Step 2:
You may try to run the Internet connection troubleshooter and check if it helps. Follow the below steps to perform Internet connection troubleshooter.

1. Press Windows + X keys on the keyboard and select Control Panel
   

2. Type Troubleshooting in the search bar on the Control Panel.
   

3. Click on View all on the left navigation pane.
   

4. Click on Internet connection.
   

5. Click on Advanced on the Internet connection dialog box and click on Run as administrator (Enter the credentials if required).
   

6. Click on Next and follow onscreen instruction complete the Internet connection troubleshooter.
   

I hope the above information helps. Kindly let us know if you need any further assistance with the issue. We are glad to assist you.
Thank you.

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If you turn your sound up on the computer, do you hear a dial tone? Does it then begin dialing? If not you may have a bad modem. Try dialing the ISP's number with your phone, it should dial in and you should hear various beeps and so on, if not the ISP is down.

dear Sir,
I have the mobile handset samsung GM S 3310. I am usuing Aircel Pocket internet in this phone. Surfing net is not a problem from the handset , but unable to connect it to my laptop.
Before dial up, it gives :error 734 ..ppp links protocol terminated. Therefore I Can not connect pc to handset as the dial up connection is not established.

What kind of cable is being used to communicate?

This error can occurs because the VeriSign Certificate Authority (CA) has changed the hashing algorithm that is used for new Secure Sockets Layer (SSL) server certificates from Message Digest 5 (MD-5) to Secure Hash Algorithm 1 (SHA1). A supported fix is now available from Microsoft for Windows CE 2.11 and Pocket Explorer 3.0 this fix can be found at: http://www.microsoft.com/mobile/handheldpc/downloads/128bit.asp Note: After you have downloaded and installed the fix, be sure to soft reset the device.

This error can occurs because the VeriSign Certificate Authority (CA) has changed the hashing algorithm that is used for new Secure Sockets Layer (SSL) server certificates from Message Digest 5 (MD-5) to Secure Hash Algorithm 1 (SHA1). A supported fix is now available from Microsoft for Windows CE 2.11 and Pocket Explorer 3.0 this fix can be found at: http://www.microsoft.com/mobile/handheldpc/downloads/128bit.asp Note: After you have downloaded and installed the fix, be sure to soft reset the device.