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Windows pop-up message as belows:

Unable to bind to port [Localhost:8888]. ErrorCode: 10048.

This is usually due to another service running on this port. Run NETSTAT -A at a command prompt.

What can I do?


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migrated from Jun 23 '10 at 4:18

This question came from our site for professional and enthusiast programmers.

Try asking on ? – Paul R Jun 21 '10 at 15:03
Did you run netstat -a, as instructed? What was the result? – Piskvor Jun 21 '10 at 15:21

Tools menu -> Fiddler Options -> Connections tab -> Fiddler listens on port

There you can change the port that Fiddler uses.

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I had a similar situation while working with my local web server. After this error message Fiddler didn't monitor any of my connections from the browser.

I did changed port on 8085 in Fiddler Options -> Connections tab -> Fiddler listens on port: but I also checked check box "Act as system proxy on startup", and after restart it started to work as usual.

I hope it helps.

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