Apparently Microsoft thinks Deluge is an unwanted app.
Windows Defender removed deluge.exe and shortcuts to it as well.
According to the Microsoft Malware Encyclopedia here: https://www.microsoft.com/en-us/wdsi/th ... tid=292802, the entry was either published or updated on March 2, 2021
Specific support for Deluge on Microsoft Windows OS
2 posts • Page 1 of 1
This is part of a recent PUP update and some Torrent client are involved. A further PUP definition update may solve it (my case but different AV) but best is it put exception in the AV or disable PUP feature for the time being