To enable full functionality such as Pan and Zoom, click here to install the Silverlight plug-in. This notice will not go away. Have Firefox 59. Have Windows 10
What I am trying to do works just fine. I just want this tab removed. I know silverlight is not compatable. No I have not download the extended version of the old Firefox. I am not able to.
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Where are you encountering this issue? This seems like on-page JavaScript to me.
Well Im opening an old .htm document from a folder. with firefox
Hi, you would need to edit the HTML on that page you are trying to view as it is calling for Firefox. You can have Notepad open it and save it after removing the link or the call for Silverlight.
So since it is the page you are trying to view there is nothing wrong with Firefox as it is doing what it is suppose to do.
Note that this message is generated by the JavaScript that runs on the page (stored in the _files folder) that tries to locate and initialize the Silverlight plugin and fails to complete.
You can locate this JavaScript file and remove it to prevent this script from running or edit the HMTL (probably more work).