[Jiaz]

@NikonD750: How did you test internet connection? So the download in JDownloader still worked fine? sounds like your router/modem can't handle high traffic volume and very likely fail to respond to DNS requests and that's why your internet seems to be down. You can check by setting a speed limit in JDownloader below your max speed and check if that helps. You can also check if the DNS requests are causing the issue by setting a custom DNS on your computer instead of your router