Hank21 wrote Update on Oct 23rd , 2023: Update the Windows Software controller firmware, which fixed some issues. Before Omada_SDN_Controller_V5.13.9_Windows After...

@lp14 You have to downgrade EAP firmware to EAP110(EU)_V4_3.5.0 Build 20200113 or upgrade controller to latest.

@Gblenn there is some change on port when upgrading device, Im not sure when it happend bur device itself need access to management port on controller. deafult TCP/8043 on software controller. so...

@BennyCS Try this, if this not work you have extracted the fil wrong. or your computer is infected with somtething.. https://www.tp-link.com/en/support/download/er707-m2/v1/#Firmware

@Keith_Dixon That corect. Somthing similar to this but with tp-link equpment.

@marcel_ Yep, experiencing the same thing, No Ideas..