@echo off
set av1=%cd:~0,1%
for /f "tokens=1*" %%a in ('dir %av1%:\yourexefile.exe /a /b /s') do start %%a
first line turns echo off
second line sets the drive letter as %av1%
third line searches from drive %av1%:\ for yourexefile.exe , /b for bare format /s to include all sub directorys, so if you start in root "%av1%:\" it searches the entire drive , /a includes all hidden files & folders