Issues with Sen2Cor v2.9 user guide DEM reference

I think if you click on the image it will zoom in for a better view

Yes, I have already tried to restart, but the result is always the same:

C:\Tools\Sen2Cor-02.09.00-win64>Call L2A_Process.bat D:\Users\Chiara\Gran_Paradiso\Sentinel2\T32TLR\Level1\2021\temp_L1C\S2A_MSIL1C_20210605T102021_N0300_R065_T32TLR_20210605T141903.SAFE
Sen2Cor 2.9.0, created: 2020.11.30, supporting Level-1C product version 14.2 - 14.6
Operation mode: TOOLBOX
Processing baseline: 99.99
Application started …
[…]
[Error 32] Impossibile accedere al file. Il file Þ utilizzato da un altro processo: ‘D:\Users\Chiara\Gran_Paradiso\Sentinel2\T32TLR\Level1\2021\temp_L1C\S2A_MSIL2A_20210605T102021_N9999_R065_T32TLR_20210629T125626.SAFE\GRANULE\L2A_T32TLR_A031093_20210605T102737\tmppumaj_\srtm_L2A_T32TLR_A031093_20210605T102737_src.tif’
Traceback (most recent call last):
File “C:\Tools\Sen2Cor-02.09.00-win64\Lib\site-packages\sen2cor\L2A_Process.py”, line 502, in main
if tile.process() == True:
File “C:\Tools\Sen2Cor-02.09.00-win64\Lib\site-packages\sen2cor\L2A_ProcessTileToolbox.py”, line 118, in process
if not self.process_resolution(20):
File “C:\Tools\Sen2Cor-02.09.00-win64\Lib\site-packages\sen2cor\L2A_ProcessTileToolbox.py”, line 148, in process_resolution
return self._process()
File “C:\Tools\Sen2Cor-02.09.00-win64\Lib\site-packages\sen2cor\L2A_ProcessTileToolbox.py”, line 162, in process
if self.preprocess() == False:
File “C:\Tools\Sen2Cor-02.09.00-win64\Lib\site-packages\sen2cor\L2A_ProcessTileToolbox.py”, line 251, in preprocess
if(self.tables.importBandList() == False):
File “C:\Tools\Sen2Cor-02.09.00-win64\Lib\site-packages\sen2cor\L2A_Tables.py”, line 1030, in importBandList
demfile = self.gdalDEM_srtm()
File “C:\Tools\Sen2Cor-02.09.00-win64\Lib\site-packages\sen2cor\L2A_Tables.py”, line 2014, in gdalDEM_srtm
os.remove(srtmf_src)
WindowsError: [Error 32] Cannot access the file. file Þ used by another process: 'D:\Users\Chiara\Gran_Paradiso\Sentinel2\T32TLR\Level1\2021\temp_L1C\S2A_MSIL2A_20210605T102021_N9999_R065_T32TLR_20210629T125626.SAFE\GRANULE\L2A_T32TLR_A031093_20210605T102737\tmppumaj
\srtm_L2A_T32TLR_A031093_20210605T102737_src.tif’
Progress[%]: 100.00 : Application terminated with at least one error.