In swipl-win selecting Tools - View threads results in an error.
Ubuntu 25.10
Welcome to SWI-Prolog (threaded, 64 bits, version 10.1.6-76-g7628a7adf)
1 ?- [PCE: error: running: Cannot open for read: No such file or directory]
[PCE warning: style ->initialise: Argument 1 (icon): `[image]*' expected, found `@23456348755712/resource'
in: <No exception goal>