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SSL connection Failure

You might run into the error message below while trying to open GEM-CAR Installer.

Unable to download definition file. The SSL connection could not be established, see inner exception.

You may then need to enable the TLS 1.2 protocol by following the steps below.

  1. In the Windows Start menu, search for regedit and open the Registry Editor .
  2. In the Registry Editor, go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols.
  3. Right click on the Protocols folder and select New > Key to create a subfolder and name it TLS 1.2.
  4. Repeat step 3 but clicking on the newly created TLS 1.2 folder to create a Client subfolder. The result should then be ...\Protocols\TLS 1.2\Client.
  5. Right click on the Client folder, select New > DWORD (32-bit) Value and name it DisabledByDefault.
  6. Right click on this newly created DisabledByDefault value, select Modify and set it to 0.
  7. Repeate step 5 to create a new Enabled value in the Client folder.
  8. Repeate step 6 on this newly created Enabled value and set it to 1.
  9. Restart the computer.

Error 0x80D03805

If you run into a failed operation with error 0x80D03805, first try to restart your computer. If you still run into this error, try following the troubleshooting options detailed below. If none of these troubleshoots works, you may consider scanning your computer for viruses or reinstalling the Windows 10 operating system.

Run the SFC (System File Checker) tool

The reason behind error 0x80D03805 may be corrupt Windows system files or other conflicts. Fixing these files using the System File Checker tool can help resolve this issue.

  1. Open Windows Command prompt as an administrator.
  2. Enter the following command:

    sfc /scannow

Reset the Microsoft Store

Resetting the Windows Store can help fix error 0x80D03805.

  1. In Windows Settings, go to Apps
  2. Select the Apps and Features tab in the menu at the left.
  3. Find and click on Microsoft Store in the list of apps.
  4. Click on Advanced Options.
  5. Scroll down to the Reset section and click on the Reset button.
  6. Restart the computer.

Reset the Windows Store cache

Resetting the Windows Store cache can help fix error 0x80D03805.

  1. Open Windows Command prompt as an administrator.
  2. Enter the following command:


  3. Restart your computer.

Run the Windows Update troubleshooter

The Windows Update Troubleshooter tool can analyze the Windows Update files and resolve error 0x80D03805.

  1. In Windows Settings go to Update & Security.
  2. Select the Troubleshoot tab in the menu at the left.
  3. Click on Additional troubleshooters.
  4. In the Get up and running section, click on Windows Update.
  5. Restart your computer.

Reset the Windows Update service

The Windows Update service may be bugged and responsible for error 0x80D03805. Resetting it could solve the issue.

  1. Search for and open services.msc from the Start menu.
  2. Search for and right-click on the Windows Update in the list of services and select Properties.
  3. Click on Disable.
  4. Restart the computer.
  5. Repeat steps 1 to 3 but enable Windows Update at step 3.