Hello,
I am unable to start setup to install K2, giving me the error
Arguments:
Exception: Object reference not set to an instance of an object., Error while checking if application is ready to execute., Error while checking if application is ready to execute.
![](https://uploads-us-west-2.insided.com/nintex-us/attachment/488636fb-124e-45f4-af46-ddd183cb66cd.png)
What can be missing or wrong?
also found this on eventviewer:
Application: SourceCode.SetupManager.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.NullReferenceException
at SourceCode.SetupManager.Config.GetInstalledConnectionStr()
at SourceCode.SetupManager.Global.EnsureSystemUserRemoval()
at SourceCode.SetupManager.Program.Main(System.String[])
Best answer by TinTex
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