In order for Firefox to allow Insightful to collect usage data, Accessibility service should be enabled in the browser settings.
How do I enable Firefox Accessibility Service?
Type about:config in the address bar and press Enter.
A warning page may appear. Click Accept the Risk and Continue to continue to the about:config page.
In the about:config page, search for the preference accessibility.force_disabled.
Observe the Value column of the accessibility.force_disabled row.If it is set to 0 then do nothing.If it is set to 1, double-click on it to open an editing field, type 0, then click the blue check mark button or press the Enter key to complete the update.