The installation fails when the install module is placed under the path which name includes Japanese.
"The script 'postinstall.sh', which is run as part of the installation, exited with error code 1.
The output from the script may be found in the file 'C:\Users\myuser\AppData\Local\Temp\postinstall.sh.outputX'. Please examine the contents of this file in a text editor."
If in English/US Windows system, do not use Non-English character as installation directory.
Waiting for fix in a future release of NetVault Backup