Applies To:
  • CitectSCADA 6.0, 6.1, 7.0
  • CitectHMI 6.0, 6.1, 7.0
  • CitectFacilities 6.0, 6.1, 7.0
  • CitectSCADA Batch 6.0, 6.1, 7.0
  • CitectSCADA Pocket 6.0, 6.1, 7.0


I am using the WebClient Fullscreen HTA application to make WebClient run in Fullscreen, however I am always prompted to 'Run' 'Save' or 'Cancel'.

Is there an easy way of bypassing this?


No. This is standard Windows XP SP2 behaviour.
This can be changed for many files, but Microsoft have a hard-coded list of files that this cannot be bypassed for, and HTAs are one of them.
Usually unchecking the 'Confirm open after download' in File Explorer of the Client PC would work, but it DOES not work for HTAs.
The following article explains the problem in-depth.
Excerpt from MS KB:
However, Internet Explorer contains a predefined, hard-coded list of file extensions that it inherently distrusts. These extensions correspond to generic executables and other kinds of files that have the capability to harm the user's machine without the proper security safeguards. The File Download dialog box cannot be prevented for any files of these types.
Following is the list of the file extensions for these file types:
Since HTA files are on this 'Black list' of executable files that you cannot easily work around this scenario, however some suggestions are in that article