# Cannot start intercepting traffic in windows 10

**URL:** <https://discourse.mitmproxy.org/t/cannot-start-intercepting-traffic-in-windows-10/785>\
**Category:** help\
**Created:** [January 2, 2018, 11:21pm UTC](https://discourse.mitmproxy.org/t/cannot-start-intercepting-traffic-in-windows-10/785 "2018-01-02T23:21:37Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![rbjobs](https://avatars.discourse-cdn.com/v4/letter/r/cab0a1/32.png) [@rbjobs](https://discourse.mitmproxy.org/u/rbjobs)\
**Post date:** [January 2, 2018, 11:21pm UTC](https://discourse.mitmproxy.org/t/cannot-start-intercepting-traffic-in-windows-10/785/1 "2018-01-02T23:21:37Z")

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I installed mitmproxy for windows and installed the certificate (with a blank password). I ran the mitmproxy ui and it opened up in chrome. After this, I visited [http://mitm.it/](http://mitm.it/) and got this message “If you can see this, traffic is not passing through mitmproxy.” I was expecting mitmproxy would start intercepting traffic, but it does not. How do setup mitmproxy and start intercepting http traffic ?

Thanks !