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It is my first attempt to use the flipper debugger but it doesn't seem to be starting. It threw error

Failed to start flipper-server Error: Unable to start server at port 9088 due to {"code":"EACCES","errno":"EACCES","syscall":"listen","address":"0.0.0.0","port":9088,"name":"Error","message":"listen EACCES: permission denied 0.0.0.0:9088","stack":"Error: listen EACCES: permission denied 0.0.0.0:9088\n at Server.setupListenHandle [as _listen2] (net.js:1296:21)\n at listenInCluster (net.js:1361:12)\n at Server.listen (net.js:1447:7)\n at S (file:///D:/Program%20Files/Flipper-win/resources/app.asar/bundle.js:104:857)\n at new Promise ()\n at SecureServerWebSocket.start (file:///D:/Program%20Files/Flipper-win/resources/app.asar/bundle.js:104:538)\n at createServer (file:///D:/Program%20Files/Flipper-win/resources/app.asar/bundle.js:30:679)\n at ServerController.init (file:///D:/Program%20Files/Flipper-win/resources/app.asar/bundle.js:7:1715)\n at async FlipperServerImpl.connect (file:///D:/Program%20Files/Flipper-win/resources/app.asar/bundle.js:6:7506)\n at async start (file:///D:/Program%20Files/Flipper-win/resources/app.asar/bundle.js:3:1501)"}

In my App Inspect, it doesn't show any devices too so I'm guessing it's because of the error above or it's something else? Cause I have my physical device connected to it and running adb devices shows the device in the listing.

And in the Setup Doctor section, it gave the warning. Not sure if this is something needed too.

enter image description here

I'm using flipper desktop on windows V0.136.0

Leon
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1 Answers1

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i was having the same problem, but with a different port. it turned out that my port was excluded by windows. to check if your port 9088 is excluded, open cmd as administrator, and run this command

netsh interface ipv4 show excludedportrange protocol=tcp

if your port was in the list, you can know which application is reserving this port by running

netstat -ano

check for protocol tcp and the port number, when you see the row, check the process id, then open task manager as administrator and go to details tab and compare the process id(PID) you should know which application is reserving this port.

i wasn't able to unreserve my port because it was reserved by system process, and i got access denied message every time.

you can launch flipper with different port, check flipper custom port

my case was

env FLIPPER_PORTS=1111,2222 ./flipper

in windows will be

set FLIPPER_PORTS=1111,2222& flipper.exe
bjzero
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