Thanks, I've downloaded the ZIP
Used open with on Desktop ETH.txt - 1st instance has opened, and its Debug is :
23:23:28: Geany WARNING : Failed to bind IPC socket (127.0.0.1:49876): 10013: An attempt was made to access a socket in a way forbidden by its access permissions. 23:23:28: Geany INFO : Geany 1.35 (git >= b8cdfddf), English_United Kingdom.1252 23:23:28: Geany INFO : GTK 2.24.32, GLib 2.58.1 23:23:28: Geany INFO : System data dir: C:\Programs\Geany\data 23:23:28: Geany INFO : User config dir: C:\Users\tomasz.janicki\AppData\Roaming\geany 23:23:28: Geany INFO : System plugin path: C:\Programs\Geany\lib\geany 23:23:28: Geany INFO : Added filetype Arduino (61). 23:23:28: Geany INFO : Added filetype Clojure (62). 23:23:28: Geany INFO : Added filetype CUDA (63). 23:23:28: Geany INFO : Added filetype Cython (64). 23:23:28: Geany INFO : Added filetype Genie (65). 23:23:28: Geany INFO : Added filetype Graphviz (66). 23:23:28: Geany INFO : Added filetype JSON (67). 23:23:28: Geany INFO : Added filetype Scala (68). 23:23:28: Geany INFO : Added filetype vdi (69). 23:23:28: Geany INFO : Added filetype vds (70). 23:23:28: Geany WARNING : IPC socket could not be created, see Help->Debug Messages for details. 23:23:28: SpellCheck DEBUG : Initializing Enchant library version 2.2.3 23:23:28: SpellCheck WARNING : Stored language ('en_GB') could not be loaded. 23:23:28: Geany INFO : Loaded: C:\Programs\Geany\lib\geany\spellcheck.dll (Spell Check) 23:23:28: Geany INFO : C:\Users\tomasz.janicki\Desktop\ETHx.txt : None (UTF-8)
Used open with on Desktop PC.txt - 2nd instance has opened, and its Debug is:
23:24:00: Geany INFO : Geany 1.35 (git >= b8cdfddf), English_United Kingdom.1252 23:24:00: Geany INFO : GTK 2.24.32, GLib 2.58.1 23:24:00: Geany INFO : System data dir: C:\Programs\Geany\data 23:24:00: Geany INFO : User config dir: C:\Users\tomasz.janicki\AppData\Roaming\geany 23:24:00: Geany INFO : System plugin path: C:\Programs\Geany\lib\geany 23:24:00: Geany INFO : Added filetype Arduino (61). 23:24:00: Geany INFO : Added filetype Clojure (62). 23:24:00: Geany INFO : Added filetype CUDA (63). 23:24:00: Geany INFO : Added filetype Cython (64). 23:24:00: Geany INFO : Added filetype Genie (65). 23:24:00: Geany INFO : Added filetype Graphviz (66). 23:24:00: Geany INFO : Added filetype JSON (67). 23:24:00: Geany INFO : Added filetype Scala (68). 23:24:00: Geany INFO : Added filetype vdi (69). 23:24:00: Geany INFO : Added filetype vds (70). 23:24:00: Geany WARNING : IPC socket could not be created, see Help->Debug Messages for details. 23:24:00: SpellCheck DEBUG : Initializing Enchant library version 2.2.3 23:24:00: SpellCheck WARNING : Stored language ('en_GB') could not be loaded. 23:24:00: Geany INFO : Loaded: C:\Programs\Geany\lib\geany\spellcheck.dll (Spell Check) 23:24:00: Geany INFO : C:\Users\tomasz.janicki\Desktop\ETHx.txt : None (UTF-8) 23:24:00: Geany INFO : C:\Users\tomasz.janicki\Desktop\PCs.txt : None (UTF-8)
Opened third from Desktop, config.xlaunch, third instance openened its Debug is:
23:24:45: Geany INFO : Geany 1.35 (git >= b8cdfddf), English_United Kingdom.1252 23:24:45: Geany INFO : GTK 2.24.32, GLib 2.58.1 23:24:45: Geany INFO : System data dir: C:\Programs\Geany\data 23:24:45: Geany INFO : User config dir: C:\Users\tomasz.janicki\AppData\Roaming\geany 23:24:46: Geany INFO : System plugin path: C:\Programs\Geany\lib\geany 23:24:46: Geany INFO : Added filetype Arduino (61). 23:24:46: Geany INFO : Added filetype Clojure (62). 23:24:46: Geany INFO : Added filetype CUDA (63). 23:24:46: Geany INFO : Added filetype Cython (64). 23:24:46: Geany INFO : Added filetype Genie (65). 23:24:46: Geany INFO : Added filetype Graphviz (66). 23:24:46: Geany INFO : Added filetype JSON (67). 23:24:46: Geany INFO : Added filetype Scala (68). 23:24:46: Geany INFO : Added filetype vdi (69). 23:24:46: Geany INFO : Added filetype vds (70). 23:24:46: Geany WARNING : IPC socket could not be created, see Help->Debug Messages for details. 23:24:46: SpellCheck DEBUG : Initializing Enchant library version 2.2.3 23:24:46: SpellCheck WARNING : Stored language ('en_GB') could not be loaded. 23:24:46: Geany INFO : Loaded: C:\Programs\Geany\lib\geany\spellcheck.dll (Spell Check) 23:24:46: Geany INFO : C:\Users\tomasz.janicki\Desktop\ETHx.txt : None (UTF-8) 23:24:46: Geany INFO : Detected encoding by regex search: UTF-8 23:24:46: Geany INFO : C:\Users\tomasz.janicki\Desktop\config.xlaunch : XML (UTF-8)
So first instance tries to bind - fails, fails creating one as well. But other instances do not try to bind ?