Troubleshooting
Extension not supported on this tab
Why the popup refuses some pages and how to record them anyway.
Chrome blocks extensions on the Web Store, chrome:// pages, and some new-tab pages. Recordful cannot show the camera bubble or toolbar there.
Workaround: start the recording from a normal tab, then switch to the restricted page once capture has begun. Tab-audio capture is also disabled on those pages, so screen recording without tab audio is the fallback, and the popup says so with a toast.