Unable to install .NET Framework: Failed to connect to server

Created:

2017-04-14 14:40:17 UTC

Modified:

2017-08-08 13:45:16 UTC

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Unable to install .NET Framework: Failed to connect to server

Applicable to:

  • Plesk for Windows

Symptoms

  1. Installation of .NET Framework 4 fails with the error:
    PerformOperation returned 1601 (translates to HRESULT = 0x80070641)
  2. The following error can be found in the installation log:
    Failed to connect to server. Error: 0x80080005

Cause

Windows Installer service is corrupted.

Resolution

  1. Install the latest version of Windows Installer from Microsoft website.
  2. Re-run installation of .NET Framework.
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