---------------------------
Initialization of CONFIG Prefs Failed
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Fiddler has encountered an unexpected problem. If you believe this is a bug in Fiddler, please copy this message by hitting CTRL+C, and submit a bug report at http://www.telerik.com/forums/fiddler.

Could not load file or assembly 'System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. The system cannot find the file specified.

Type: System.IO.FileNotFoundException
Source: Fiddler
   at Fiddler.PreferenceBag..ctor(String sRegPath)

   at Fiddler.CONFIG.() in C:\JenkinsHome\jobs\FiddlerReleaseBuild\workspace\Fiddler2\Common\Application\Config.cs:line 1956

   at Fiddler.CONFIG..cctor() in C:\JenkinsHome\jobs\FiddlerReleaseBuild\workspace\Fiddler2\Common\Application\Config.cs:line 1935


Fiddler v5.0.20173.50948 (x64 AMD64) [.NET 4.0.30319.42000 on Microsoft Windows NT 10.0.14393.0] 
---------------------------
OK   
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I recently upgraded to Windows 10, and I love it so far. It appears that Cortana does not function fully for me though. I am running accountability software on my computer called X3Watch. It simply monitors all of this computer's network traffic and filters it through a proxy. Many of my previous Windows 8 (and now Windows 10) apps had to be "enabled" using Fiddler (See my link below for more info). If I click Cortana's search bar, I believe I should see several cards relating to weather, sports, etc. Right? Unfortunately, it's blank for me. All she says is "What's on your mind [name]?" If I watch the traffic in Fiddler, Cortana tries to connect to localhost:58084 via the URL /proactive?form=WNSBOX using the process searchui.exe, but unfortunately it results in an HTTP 502 error. Fiddler does not list it as a Loopback exempt app. Can anyone help? X3watch support was not helpful in solving this.

 

Also if I go into the Cortana Notebook > Settings and disable "Cortana can give you suggestions, ideas, reminders, alerts and more" it appears to show generic cars in the Cortana bar. If I switch it back, I get nothing. If I click on the Cortana "Ask me anything" search bar, it sits there doing nothing until eventually it says "Go ahead and tell me to do something. Interests aren't available at the moment."

 

http://www.besttechguru.com/metro-apps-not-getting-internet-access-windows-8/

The Fiddler documentation is poor in regard of configuring the Java RE or SDK to work with Fiddler and HTTPS. After some digging I found this article which helped me solve the problem:

http://codeketchup.blogspot.com/2014/03/how-to-use-eclipse-with-fiddler-step-by.html

It is important to read the comments too, as from the article it is not 100% clear what to do.

 

• I have a Windows 7, 64-bit machine where launching Fiddler 5.0.20181.14850 hangs with a splash screen showing "Creating Proxy..."
• I tried removing and reinstalling.  I tried rebooting.  I tried installing with and without Run as administrator.
• Running Fiddler hangs if launched normally.  It launches successfully if launched with Run as administrator.
• On the same machine, an older version of Fiddler successfully launched without Admin.
• Is there some magic to get past "Creating Proxy..." when launched as non-Admin?

 

hi.

i am trying to chage response body from third party website.

in fiddler log i see that response body is changed, but browser receives unchanged response body.

can anybody to help me with my issue?

Hi
Could anyone tell me if you know.
I want to get the latest version of Fildder2(v2.6).
If I bought Fiddler Enterprise Priority Support , I would use it ?
Or only Fiddler4 ?

Thanks

Hello,

I recently installed Fiddler and setup Firefox to allow proxy. I am now unable to use the linux `curl` command. Where are the proxy settings that control this? What exactly do I need to change to get curl working again?

Thank you

Hi,

Love using Fiddler on Windows, so I thought I would try it on Linux. When I go into the settings, I can't read the settings. But when I go to the HTTPS tab and check the "Decrypt HTTPS traffic"  checkbox, a dialog pops up which allows me to read the settings in that tab, until I click OK and then the letters go away again. Screenshots attached.

Thanks for your hard work.

I ever use my computer name to map proxy or access fiddler cert page, like this

Proxy hostname: mycomname, Proxy port: 8888

http://mycomname:8888

But now I must use http://192.168.0.2:8888 in my mobile&virtual mobile app (for mycomname, it says Webpage not available).

I can still use http://mycomname:8888 in Firefox/Chrome though, it show correct fiddler cert page.

Computer name is prefer because it's not be changed every time.

This happen after I switch from my Samsung S4 mobile hotspot to S9+. Can you guild me what is the problem/needed to be set.

 

*Relate information: popup of top-right 'online' status in fiddler

Host: mycomname

Domain:

192.168.0.2

192.168.89.2

...

I have installed the latest version of Fiddler, and copied and pasted the Terminal command from the instructions but it just gives me an error. What am I missing here?  

/Library/Frameworks/Mono.framework/Versions/<Mono Version>/bin/mozroots --import --sync