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Knowledge Base

Business Process Automation Platform

Task fails at runtime with the error: “System.UnauthorizedAccessException: Access to the registry key….is denied”


A task is failing at runtime and is producing the following error message:

System.UnauthorizedAccessException: Access to the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Orbis Software\TaskCentre\Providers\{B30672F2-176C-4F71-A35E-8C50A99BE230}\parameters’ is denied.


A “parameters” key that the task is expecting to be present is missing for the associated registry key: {B30672F2-176C-4F71-A35E-8C50A99BE230}


Manually add the missing parameter key within the registry at the specified location mentioned within the error.

  1. Close the TaskCentre client and enter the registry.Browse to the following location:
    On x86 32bit systems
    HKEY_LOCAL_MACHINE\SOFTWARE\Orbis Software\TaskCentre\Providers\{B30672F2-176C-4F71-A35E-8C50A99BE230}
    On x64 64 bit systems
    HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Orbis Software\TaskCentre\Providers\{B30672F2-176C-4F71-A35E-8C50A99BE230}
  2. Add a Parameters key and create a DWORD value called DisableSchemaValidationWarning exactly as shown in the screenshot below.
    Note: The value is case sensitive.


  3. Reopen the TaskCentre client and run the task again.