Changed:
----------------------
set hour=%time:~0,2%
if "%hour:~0,1%"==" " set hour=0%time:~1,1%
set file_auto=%date:~0,2%_%date:~3,2%_%date:~6,4%-%hour%_%time:~3,2%
----------------------
TO
----------------------
set file_auto=%date:~8,12%%date:~3,2%%date:~0,2%_%time:~0,2%%time:~3,2%
----------------------
-> German Region Settings
Now it works :-)
----------------------
set hour=%time:~0,2%
if "%hour:~0,1%"==" " set hour=0%time:~1,1%
set file_auto=%date:~0,2%_%date:~3,2%_%date:~6,4%-%hour%_%time:~3,2%
----------------------
TO
----------------------
set file_auto=%date:~8,12%%date:~3,2%%date:~0,2%_%time:~0,2%%time:~3,2%
----------------------
-> German Region Settings
Now it works :-)