Ok, just re-run the installation to be able to give you the exact error message :
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Preparation.
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Uninstalling 'TUSBAudio Driver v1.61.0'.
This may take some time to complete. Please wait ...
Preparing installation.
This may take some time to complete. Please wait ...
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Installation.
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Adding uninstallation support ...
Create folder: C:\Program Files\Thesycon\TUSBAudio_Driver
Create folder: C:\Program Files\Thesycon\TUSBAudio_Driver
Created uninstaller: C:\Program Files\Thesycon\TUSBAudio_Driver\uninstall.exe
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\setup.ini
Output folder: C:\Program Files\Thesycon\TUSBAudio_Driver
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\tusbaudio.inf
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\tusbaudioks.inf
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\tusbaudio_x64.sys
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\tusbaudioks_x64.sys
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\tusbaudio.cat
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\tusbaudioks.cat
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\tusbaudioasio.dll
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\tusbaudioasio_x64.dll
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\tusbaudioapi.dll
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\custom.ini
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\TUSBAudioSpy.exe
Copy to C:\Program Files\Thesycon\TUSBAudio_Driver\TUSBAudioCpl.exe
Execute: regsvr32 /s "C:\Program Files\Thesycon\TUSBAudio_Driver\tusbaudioasio.dll"
Execute: regsvr32 /s "C:\Program Files\Thesycon\TUSBAudio_Driver\tusbaudioasio_x64.dll"
Create shortcut: C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Thesycon\TUSBAudio Driver\TUSBAudio Control Panel.lnk
Create shortcut: C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\TUSBAudio Control Panel Autostart.lnk
Preinstalling drivers.
This may take some time to complete. Please wait ...
ERROR: Pre-installation of 'C:\Program Files\Thesycon\TUSBAudio_Driver\tusbaudioks.inf' failed.
Please run setup again!
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Installation failed.
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And if I try to install driver manually from the Windows device manager, it ends with this error : "The hash for the file is not present in the specified catalog file"