E605: Exception: `... update-viewer.cmd` is not an executable

[fromSmolsoft]

I get following exception when running :PlantumlOpen or any other Plantuml... command.

E605: Exception not caught: vital: System.Job: "C:\Users\...\vimfiles\plugged\plantuml-previewer.vim\autoload/../script/update-viewer.cmd" is not an executable

Environment

OS: Windows 11, Windows Terminal 1.20.11381.0, PowerShell 7.X

vim --version
VIM - Vi IMproved 9.1 (2024 Jan 02, compiled Jun 14 2024 22:07:45)
MS-Windows 64-bit console version

java -version
openjdk version "21.0.3" 2024-04-16 LTS
OpenJDK Runtime Environment Temurin-21.0.3+9 (build 21.0.3+9-LTS)
OpenJDK 64-Bit Server VM Temurin-21.0.3+9 (build 21.0.3+9-LTS, mixed mode, sharing)

dot --version
dot - graphviz version 11.0.0 (20240428.1522)

Plugin manager - vim-plug

Did i miss something and any way to make it work?