A6210 genie switching networks

are you on windows? 

If so, go in and forget those networks. 

https://kb.netgear.com/29889/How-to-delete-a-wireless-network-profile-in-Windows-10

or

https://winaero.com/stop-windows-10-auto-connect-wifi/

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Leagueorlegends wrote:

My wifi adapter will randomly switch networks to open ones that do not work, and I can't find a way to stop this. Any ideas?

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You have posted your message in the section of this community given over to Mobile Routers, Hotspots & Modems. (This is easily done, given Netgear's complicated community structure.)

Many questions apply to different types of device, so you might get responses here, but a USB adapter isn't much like a mobile modem/hotspot, so you might get more help, and find earlier questions and answers specific to your hardware, in the appropriate section for your device. That's probably here:

WiFi Adapters - NETGEAR Communities

In the meantime you could visit the support pages:

Support | NETGEAR

Feed in your model number and check the documentation for your hardware.

You may have done this already. I can't tell from your message.

I mention it because Netgear gave up on supplying paper manuals years ago and people sometimes miss the downloads.