System.Exception: Failed to install package

Installer(.exe or .msi):msi

License type(Free, Trial/License code):License

Studio/Robot version:2018.2.4

Current behavior: Cannot see the play option for processes in Robot .

                                  when try to run the process from orchestrator , for some time the process is displaying info as 'Installing package..." , and after some time the process is getting Faulted with info mesage saying " System.Exception: Failed to install package "

Note : This is our first time using orchestrator after setting it up on server



did you try after manual download of the packages from robot try?

Iā€™m facing the same issue.

Orchestrator did create correctly folder in %userprofile%\.nuget\packages\ProcessName\ProcessVersion\

but it failed in unpacking the nugget package :confused:

Any help is welcomed

What I did and it worked :

  • uninstall UiPath Studio and Robot
  • if still present, delete folder : %userprofile%\.nuget\
  • reinstall Studio and Robot

Then republished package to Orchestrator using Studio and launch a job for this package. Folder %userprofile%\.nuget\ is actually being refilled with all packages.

Hope it helps


I am facing a similar issue, inside %userprofile%.nuget\ package_name\version\ folder getting created, but not filled with corresponding nupkg.

Any inputs on this issue is much appreciated.

Thanks !!!

Hi, I am facing the same issue. How did you solve it?


I know this post is old but maybe this can help :
To help diagnose further this issue, you should go to the windows event viewer
=> cmd => eventvwr
And then, you should look for the logs with Type = Error and Source = UiPath and Date = Tentative of robot running

With those logs, you can see exactly which packages were not installed and why (Usually dependencies packages).

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