Windows phone 8.1 cordova app crash causing exception with Error: 80020006.

Question

I have created a cordova app with wp8 platfrom using cordova-cli. It was running properly. Then I retarget it to wp8.1 in visual studio 2013 express. On running the app it crashes with exception " An exception of type 'System.SystemException' occurred in Microsoft.Phone.Interop.ni.dll but was not handled in user code"
"Additional information: An unknown error has occurred. Error: 80020006."

Exception occurs in XHRHelper.cs and consoleHelper.cs at the line 

 Browser.InvokeScript("execScript", new string[] { script });

How can I resolve it?

Answer 1

I have exactly the same problem. Any help would be appreciated.

Answer 2

I think there's two problems. The XHRHelper.cs problem was solved for me by replacing it with this modified version:

https://gist.github.com/anonymous/5bf4d9ba9cdb5d0f3f3e (from http://stackoverflow.com/questions/23819485/phonegap-app-crashes-on-wp8-1)

The consoleHelper problem seems to be because execScript is no longer supported on IE11 in favor of "eval". This is based on http://msdn.microsoft.com/en-us/library/ie/ms536420(v=vs.85).aspx.

I replaced all occurrences of execScript with eval and everything seems to work for me now.

Answer 3

Sorry for late reply..

Exceptions had gone using these solutions but Device ready event is not firing. The logs are:  

CordovaBrowser_LoadCompleted
A first chance exception of type 'System.SystemException' occurred in Microsoft.Phone.Interop.ni.dll
Error calling js to fire nativeReady event. Did you include cordova.js in your html script tag?
A first chance exception of type 'System.SystemException' occurred in Microsoft.Phone.Interop.ni.dll
Error calling js to add appExit funtion.
deviceready has not fired after 5 seconds.
Channel not fired: onNativeReady
Channel not fired: onCordovaReady

Answer 4

Problem has been resolved by replacing

 Browser.InvokeScript("execScript", new string[] { script });

to 

 Browser.InvokeScript("eval", new string[] { script });

in both files.