Runnning example gets `error occurred in provider dev: spawn UNKNOWN`

[ykchong45]

I tried running npm install and npm run dev in examples/slack-hello-world, but I got this error message:

> dev
> bottender dev

× An unexpected error occurred in provider dev: spawn UNKNOWN
Error: spawn UNKNOWN
    at ChildProcess.spawn (node:internal/child_process:421:11)
    at spawn (node:child_process:761:9)
    at startProcess (C:\yk\0-test\bottender-master\bottender-master\examples\slack-hello-world\node_modules\ngrok\process.js:39:16)
    at getProcess (C:\yk\0-test\bottender-master\bottender-master\examples\slack-hello-world\node_modules\ngrok\process.js:23:20)
    at Object.connect (C:\yk\0-test\bottender-master\bottender-master\examples\slack-hello-world\node_modules\ngrok\index.js:16:22)
    at C:\yk\0-test\bottender-master\bottender-master\examples\slack-hello-world\node_modules\bottender\dist\cli\providers\sh\dev.js:62:41
    at Generator.next (<anonymous>)
    at C:\yk\0-test\bottender-master\bottender-master\examples\slack-hello-world\node_modules\bottender\dist\cli\providers\sh\dev.js:8:71
    at new Promise (<anonymous>)
    at __awaiter (C:\yk\0-test\bottender-master\bottender-master\examples\slack-hello-world\node_modules\bottender\dist\cli\providers\sh\dev.js:4:12)
App has started
server is running on 5000 port...

What I Tried

Disabled "Firewall & network protection" under Windows Security.

[Leon840113]

me too, the sama error