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https://www.foscam.com/faqs/view.html?id=14
http://foscam.us/forum/plugin-not-working-after-upgrade-t9873.html
http://forums.dlink.com/index.php?topic=63818.0
http://amcrest.com/forum/technical-discussion-f3/safari-plugin-not-recogonized-as-installed-on-maco-t8945-s10.html
https://www.networkwebcams.co.uk/blog/2014/04/22/howto-add-your-network-camera-to-internet-explorers-compatibility-view/
https://www2.acti.com/corp/Troubleshooting/Detail.aspx?TopicId=TSDB20120318000001
https://support.hanwhasecurity.com/hc/en-us/articles/115015724768-Camera-Installation-using-Internet-Explorer-11
https://community.arlo.com/t5/Arlo/The-camera-failed-to-connect-Try-again-Message-keeps-appearing/td-p/1273448
https://reolink.com/ip-camera-wifi-not-working/
https://www.safetrolley.com/enable-live-view-cctv-camera-chrome-npapi-plugin
https://www.cctvcameraworld.com/unable-to-view/
https://www.cultofmac.com/184131/how-to-fix-missing-plug-in-errors-macrx/
https://www.sighthound.com/support/could-not-connect-error-or-stays-connecting-state-when-trying-view-my-camera