Hi Dennis, your Firefox definitely is not out of date. Some sites level strange accusations if scripts are blocked, and sometimes scripts are blocked or disabled either by Tracking Protection or a content-blocking add-on. I think your Troubleshoot Mode test would rule out the extensions. You can turn off Tracking Protection for a site using the shield icon toward the left end of the address bar (it usually turns a bit purplish when content is blocked). Click the icon to learn more or make an exception. See: [[Enhanced Tracking Protection in Firefox for desktop]]. Any difference? More generally, are your mouse clicks not being recorded in the correct location? You could try a Sudoku puzzle or other small grid to see whether Firefox is reading the mouse position wrong.