Find All Elements does not work

[sebastianciupinski]

BB
    Launch Application    path=calc.exe
    Sleep     10s
    Find All Elements     //Button

result:

COMException:  (0x80040201): An event was unable to invoke any of the subscribers (Exception from HRESULT: 0x80040201)
   at Interop.UIAutomationClient.IUIAutomationTreeWalker.GetFirstChildElement(IUIAutomationElement element)
   at FlaUI.UIA3.UIA3TreeWalker.GetFirstChild(AutomationElement element)
   at FlaUI.Core.AutomationElementXPathNavigator.MoveToFirstChild()
   at MS.Internal.Xml.XPath.XPathDescendantIterator.MoveNext()
   at MS.Internal.Xml.XPath.DescendantQuery.Advance()
   at MS.Internal.Xml.XPath.XPathSelectionIterator.MoveNext()
   at FlaUI.Core.AutomationElements.AutomationElement.FindAllByXPath(String xPath)

Windows 10 machine