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PRTG 20.1.55 and the update for Universal C Runtime in Windows

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When I try to update to or install PRTG 20.1.55 on my Windows system, the installation stops with the following error message:

python.exe – System Error
The program can’t start because api-ms-win-crt-runtime-1-1-0.dll is missing from your computer.
Try reinstalling the program to fix this problem.

What can I do?

installation prtg python runtime update windows windows-server

Created on Jan 17, 2020 7:50:50 AM by Maike Guba [Paessler Support]

Last change on Jan 20, 2020 7:06:04 AM by Maike Guba [Paessler Support]



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Accepted Answer

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This article applies as of PRTG 20.1.55

Reason why the installation of PRTG 20.1.55 does not work without the Universal C Runtime update

With PRTG 20.1.55, we included a Python upgrade for PRTG. This Python runtime depends on the Universal C Runtime in Windows for which Microsoft recently released an update.

The update applies to the following operating systems:

  • Windows Server 2012 R2
  • Windows 8.1
  • Windows Server 2012
  • Windows 8
  • Windows 7 SP1
  • Windows Server 2008 Service Pack 2 (SP2)

Update your Windows system accordingly to successfully update to or install PRTG 20.1.55.

For more information, see the Microsoft article Update for Universal C Runtime in Windows.

Created on Jan 17, 2020 7:58:02 AM by Maike Guba [Paessler Support]

Last change on Jan 20, 2020 7:03:07 AM by Maike Guba [Paessler Support]



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