[ISS Support Case] Cannot access topic 'ViewStream2 Start application "HISTDATA.EXE"

Last updated: May 4th, 2026

Description

Direct Email: . I did have one issue that popup up when it was loading WindowViewer. I have attached a screen shot. I was able to answer No and it went on to our Home Screen. It did appear that I was receiving data from the PLC that this is attached to but I did not have an operator available to try anything from the HMI, will do that Monday. Message was "cannot access topic 'ViewStream2' for Access Name 'histdataviewstr' Start application "HISTDATA.EXE"

Author: Kevin Modlin
Published: May 4th, 2026

Details:

Product: InTouch

Version: 10.6

Solution: [Solution is visible below when you're logged in and have a current subscription]

Date Created:	02/16/2024
Case:	86406

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