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I am however using a USB to access wifi and so I assume I had to use USBPCap

No.

USBPcap (for Windows) is only necessary if you want to capture raw USB traffic to and from your machine.

If you have a USB network adapter, it looks, to the capture mechanisms used by libpcap/WinPcap/Npcap, and thus by Wireshark, like any other network adapter; those capture mechanisms don't care whether the network adapter uses PCI or PCI Express or USB or EISA or ISA or... to connect to the CPU.

So I tried capturing with all protocols on and only ended up with USB protocols

That's what USBPcap is for - capturing USB traffic.

Try just capturing on your Wi-Fi adapter as if it were an ordinary adapter.

Note, however, that you might need Npcap; capturing on Wi-Fi adapters on Windows is tricky, and WinPcap's kernel driver might not perform all the appropriate rituals needed for this. That's not a USB issue, it's a "how Windows handles Wi-Fi adapters" issue, applying to Wi-Fi adapters even if they're directly attached to the motherboard.

I am however using a USB to access wifi and so I assume I had to use USBPCap

No.

USBPcap (for Windows) is only necessary if you want to capture raw USB traffic to and from your machine.

If you have a USB network adapter, it looks, to the capture mechanisms used by libpcap/WinPcap/Npcap, and thus by Wireshark, like any other network adapter; those capture mechanisms don't care whether the network adapter uses PCI or PCI Express or USB or EISA or ISA or... to connect to the CPU.

So I tried capturing with all protocols on and only ended up with USB protocols

That's what USBPcap is for - capturing USB traffic.

Try just capturing on your Wi-Fi adapter as if it were an ordinary adapter.

Note, however, that you might need Npcap; Npcap; capturing on Wi-Fi adapters on Windows is tricky, and WinPcap's kernel driver might not perform all the appropriate rituals needed for this. That's not a USB issue, it's a "how Windows handles Wi-Fi adapters" issue, applying to Wi-Fi adapters even if they're directly attached to the motherboard.