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How To Fix this Error

 

The requested security protocol is not supported.

 

When you see above error message, it indicated that the TLS security protocol is not supported.

Many API servers nowadays required at least TLS version 1.2, when a client to establish a connection to their servers.

Windows 10 has TLS1.2 default installed so you will not encounter this problem.
TLS 1.2 update will get installed by regular windows update in Windows 7. But if your system still missing it or you’re using older version of Windows, you can fix the problem by install TLS1.2 manually.
Windows 7
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For 32-bit windows 7 and Server 2008 R2
For 64-bit windows 7
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Windows 8.1 and Windows Server 2012 R2
For 32-bit
For 64-bit

Backup link on our server

hotfix_kb3154518_kb3154520

Install the .NET Framework 3.5 on Demand

You may see the following configuration dialog. When you try to run our software on latest version of windows which no longer bundle with old .net framework.

Choose Install this feature to enable the .NET Framework 3.5.

If above method not works well for you, you can Manually Install Earlier Version of .NET Framework in Windows

 

You can enable the .NET Framework 3.5 through the Windows Control Panel. This option requires an Internet connection.

  1. Press the Windows key Screenshot of the Windows key logo. on your keyboard, type “Windows Features”, and press Enter. The Turn Windows features on or off dialog box appears.
  2. Select the .NET Framework 3.5 (includes .NET 2.0 and 3.0) check box, select OK, and reboot your computer if prompted.
  3. You don’t need to select the child items for Windows Communication Foundation (WCF) HTTP Activation and Windows Communication Foundation (WCF) Non-HTTP Activation unless you’re a developer or server administrator who requires this functionality.

 

About DomainSoftwares.com.

DomainSoftwares.com was founded by Kam, a domain investor based in Hong Kong with over decades of experience in domain industry.

We aim to provide quality solutions to Domain researcher and Domain investor.

 

Our mission

  • Provide niche software to fulfill the special need for Domain Industry. 

 

 

Why DomainSoftwares.com is launched?

I personally don’t like to use software which required excessive permissions. Therefore I create my own software and put them available for sales to help others.