Installed 4.8 and lost external editor

darktable gimp.lua does not work in Windows 11 (ext_editor.lua OK)

Today (31-08-2024) ext_editor.lua appears error moving message what could be the reason?

Today (02-09-2024) darktable gimp.lua does not work in Windows 11
Answer Initial workflow lua script - #51 by wpferguson
"After some research I discovered deep in the Lua documentation that dot is not an allowable character in a folder name. "