Hi @David Riley,
Please try the solutions below to resolve this error:
1.Disable the Enhanced Security Configuration
- Launch Server Manager and near the top, locate Security Information.
- To the right, select Configure IE ESC__,__ and the configuration window will open.
- Select the Off radio button to disable enhanced security for both users and administrators.
- Click OK.
Note. For more information from Microsoft, see How To Turn Off Internet Explorer Enhanced Security Configuration.
2.Turn the Enhanced Security Configuration "On" and then "Off" again
- Launch Server Manager and near the top, locate Security Information.
- To the right, select Configure IE ESC__,__ and the configuration window will open.
- Select the ON radio button to disable enhanced security for both users and administrators.
- Click OK.
- Select the OFF radio button to disable enhanced security for both users and administrators.
- Click OK.
3.Be sure that the website listed in the warning message has been added to the "Trusted sites"
- Go to the "Internet Properties" by typing "Internet Options" into the Windows start button.
- Go to the "Security" tab.
- Go to "Trusted sites".
- Click on "Sites".
- Type the website and "Add" it.
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