"Window not found" error at runtime but not when run in QM

[Gintaras]

If this list is generated by the exe launched from explorer, then win should find the window, and I don't know why it doesn't.
I tested with notepad, and it works.

Macro Macro2976

Code:

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int w=win("" "Notepad")
_s="Giulia  26-01-65   < 0 esenzioni >  ABGGLI65A64B157R - 488AP924  [DR GRG ZN]"
_s.setwintext(w)

Macro Macro2971

Code:

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;/exe

int w=win("[A-Z]{6}\d{2}[A-Z]\d{2}[A-Z]\d{3}[A-Z]" "notepad" "notepad" 0x200)
outw w
act w

;BEGIN PROJECT
;exe_file  $my qm$\Macro2971.exe
;END PROJECT

Then I run the exe from explorer, and it finds the window.