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Troubleshooting

SSL connection Failure

You might run into this error message while trying to open the Installer.

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

To solve this problem, try enabling the TLS 1.2 protocol by following the steps below.

  1. Open the Registry Editor and go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols.
  2. Right-click the Protocols folder, go to New > Key to create a subfolder and name it TLS 1.2.
  3. Right click the TLS 1.2 folder, go to New > Key to create a subfolder and name it Client.
  4. Right click the Client folder, go to New > DWORD (32-bit) Value to create a new value and name it DisabledByDefault.
  5. Right click the DisabledByDefault value, select Modify and set it to 0.
  6. Right click the Client folder, go to New > DWORD (32-bit) Value to create a new value and name it Enabled.
  7. Right click the Enabled value, select Modify and set it to 1.
  8. Restart the computer.

Error 0x80D03805

If you run into a failed operation with error 0x80D03805, first try to restart your computer. If it doesn't solve the problem, try following the troubleshooting options detailed below. If none of these solutions works, scan your computer for viruses or reinstall Windows 10.

Run the SFC (System File Checker) tool

The reason behind error 0x80D03805 may be corrupt Windows 10 system files or other conflicts. Fixing these files using the System File Checker tool can help resolve this issue. To do so, follow the instructions below.

  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. To do so, follow the instructions below.

  1. Open Windows Settings and go to Apps.
  2. On the Apps and Features tab, select Microsoft Store on the list of apps and select Advanced Options.
  3. Scroll down and select the Reset button.
  4. Restart the computer.

Reset the Windows Store cache

Resetting the Windows Store cache can help fix error 0x80D03805. To do so, follow the instructions below.

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

wsreset.exe

  1. Restart the computer.

Run the Windows Update troubleshooter

The Windows Update Troubleshooter tool can analyze the Windows 10 Update files and resolve error 0x80D03805. To do so, follow the instructions below.

  1. Open Windows Settings and go to Update & Security.
  2. On the Troubleshoot tab, select Additional troubleshooters.
  3. Under Get up and running, select Windows Update.
  4. Restart the computer.

Reset the Windows Update service

The Windows Update service may be bugged and responsible for error 0x80D03805. Resetting it can solve the issue. To do so, follow the instructions below.

  1. From the Windows Start menu, search for and open services.msc.
  2. Search for and right-click Windows Update on the list of services and select Properties.
  3. Select Disable.
  4. Restart the computer.
  5. From the Windows Start menu, search for and open services.msc.
  6. Search for and right-click Windows Update on the list of services and select Properties.
  7. Select Enable.

Error 0X80070070

If you run into error 0x80D03805, it means that the drive doesn't have enough available free space to proceed with the installation. In this case, free some space and retry the installation.