Error when deploying ControlUp Monitor: Install .NET FW 4.8 on the target machine

  • Updated on Sep 2, 2025
  • Published on Feb 13, 2023
  • 1 minute(s) read
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Issue

The deployment of the ControlUp Monitor fails if .NET Framework 4.8.1 is installed on the monitor machine.

When deploying the monitor, the error message Install .NET FW 4.8 on the target machine is shown:
Install .NET FW 4.8 on the target machine error message

Workaround

  1. In the registry, browse to HKLM\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full
  2. Check the value under Release. In this case, the value is 533325. This indicates that .NET Framework 4.8.1 is installed
    Release value in registry

You can find more information about the version in the official Microsoft documentation.

  1. Uninstall .NET Framework 4.8.1 by removing the relevant Microsoft KB, such as KB5011048 or KB5022291
  2. Once the KB is removed, reboot the machine and you can deploy the monitor again.