avidemux_2.8.2 r230924_win64.exe
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Tried before and after update to Windows 11 22H2 22621.2361, same issue, tried with admin privileges, netstat -anb, deleting temp, etc.
Happens after it finishes extracting itself
Reading pinned topics in the subforum for the particular operating system helps to save duplicate effort: https://avidemux.org/smif/index.php/topic,20301.0.html