To turn off the URL, please try the following: 

1) Turn on "Internet Explorer" NOTE - Internet explorer and Edge or two different browser. To turn on internet explorer, type in "Internet Explorer" in the windows search bar located at the bottom left corner of the desktop, next to the windows logo and the "Cortana Circle".

-I will be referring to "Internet Explorer" as the IE browser from now on. 

2) Located on the top right-hand corner of "IE", there should be a couple of icons that looks like this: 

Click on the "Gear" icon, which is the icon located 2nd from last, next to the "Smiley Face"

3) From there, select "Print", which is the first option on the drop down menu, then select "Page Setup..."; which is the 3 option from the 2nd drop down menu from "Print".

4) You should have opened a box which looks like this: 

If you change all the options in "Header" and "Footer" inside this box to "-Empty-" as shown above, then restart eCW, it should no longer print out the URL at the bottom of the page.