I keep getting a popup saying ‘System Scan is Recommended: Click Start Scan to launch system diagnostics.’ But I don’t recognise the logo on the popup and I’m sure my Mac doesn’t need scanning. Is ...

If you click on the MacKeeper menu in the Mac’s menu bar you won’t find a Quit command, which might lead you to believe that it can’t be quit. Force-quitting doesn’t seem to work either. Disable ...