Network speeds are severely capped Windows 11

[Windows 11]

Sometime between 01/11/2025 and 01/22/2025, something in Windows 11 broke and limits my internet/network speeds through my Ethernet card(s). As you can see from the attached speed-test history, normal historical throughput was measured at average 630 Mbps (consistent with my ISP’s service plan) before Jan-11-2025. Then on 01/22/205 I tested my speeds and they consistently well below previous results, recorded at average 110 Mbps. I have not been able to solve this problem regardless of numerous steps I have taken to troubleshoot as listed below: 1) My internal network car

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