Wireshark (Win 10) No longer finds all interfaces (only USBPcap)

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I suspect this happened after an update - I am using Wireshark 3.4.6 on Windows 10 20H2 with all updates

I have both Winpcap and npcap installed

Interfaces ARE detected if I run as Administrator or if I uninstall npcap

I've tried manually removing npcap and re-running the wireshark installation so that npcap is re-installed: npcap was NOT installed with the option to restrict access to administrator.

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I had both winpcap and npcap installed because winpcap was installed by some other software and it has never been an issue in the past.

However given that there was clearly an issue I tried removing both, rebooting and reinstalling npcap - no change.

I have also tried updating to the latest npcap (1.5.0) with no change.

One of the other pcap based bits of software I use is Acryllic WiFi professional - it actually uses sharppcap I uninstalled this software - and npcap, rebooted and reinstalled npcap - still no change.

I do however note that some acrylic NDIS drivers still appear in the list of interfaces when I use administrator mode so I assume that their uninstall script is not perfect. I have therefore sent an email to acryllic to see whether they feel this could be the cause of my wireshark issue.

My only concern is that Wireshark will blame Acryllic and Acryllic will blame wireshark so Ill be stuck in the middle. Does anyone have any further suggestions?

Thanks for your help