Please reset the password following below.
1. Move to the following folder in the terminal which Vex is installed.
[Path that Vex program is installed] \Jabberwock\WEB-INF\sql
* According to an environment, [Path that Vex program is installed] is different.
ex) C:\Program Files\UBsecure\VEX\Jabberwock\WEB-INF\sql
2. Right-click "reset_admin.bat" in the folder and select "Run as Administrator" from the menu.
3. Enter the PostgreSQL password and press the enter key, after the command prompt starts.
4. The password of the administration page will be initialized.