When I connect my iPhone to the WiFi, running a proxy using Fiddler or Charles, it works. I set up my iPhone or iPad with proxy 8888 and of course the IP of my PC.

An error occurred stating:

problem communicating with the web proxy server http

This was working fine last week, however it just started happening today. How can I resolve this, or pinpoint the issue?

Here is the solution that I tried so far and it's not working yet:

  1. Flash the DNS in cmd
  2. restore the firewall and reallow all the application again
  3. reboot the PC and the iOS devices
  4. re-configure the IP to make sure isn't duplicate.
  5. reboot the router with cycling the router for 10 minutes
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the solution was nothing just reboot my computer and all worked fine

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