If you see a little red error message in Internet Explorer (Can't use Edge/Chrome), or the following screenshot, you need to add an exception to the Java control panel to allow this site to work.
Click the Start button > type: Control Panel
Change View by: to Large Icons (top right)
Open the Java applet as shown below:
Choose the Security tab and using the Edit Site List... button, Add the site https://imagenow.senecaco.com:8443 and it will look like what is shown below, then hit OK:
Now on the Advanced tab, make this change
Click Apply and then OK.
Now open a fresh instance of Internet Explorer and try WebNow again.
IF WebNow shows this prompt, just check the box and answer the prompt selecting Run: