@Sujal Hello, NC camera is a quite older camera series compared with Kasa camera, and they use different apps. NC450 use tpCamera app, and KC120 use Kasa app. Hope this could help~

@Lee1234 Good day, From your tp-link ID, the tapo plugs are offline right now. Besides firewall settings on router, please double-check if there is any port restriction or access control advanced...

@Wabsa Hello, This is the first time I heard that upgrade tool Utility is deleted by system....If there is any security/antivirus app on your MAC or Windows, please turn that off and download again....

@theleo84 Hello, It looks like through the USB hub , " Allow the computer to turn off the device to save power " is void for the adapter. Please go to Power Options settings, USB devices- USB...

@shanolek Thank you for your update~ It does look better from the ping result. It is recommended to monitor the performance of adapter in the actual use, if any problem, please feel free to let me...

@alex89 Hi good day Thanks for your detailed information. Please force 5Ghz Wireless Mode to ’802.11ac ’on Adapter Properties settings as the photo attached. If your router has AES only encryption on...