c# - Which IE add-on is crashing my application -

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case: have a websites authenticates second sso website using federated authentication.

  1. go main website
  2. redirect sso authentication site -> , fill in correct credentials
  3. go main authentication cookies -> crash

extra info error logs:

  • it's in ie browser (ff , chrome work perfectly)
  • i can't reproduce problem myself: tested on every operating system , browser version browserstack nor can colluegues.
  • when contacting end-users have problem. consistently have in ie. when asked use browser works.

my current guess it's due ie-add-on. not know 1 , bit of guess. fact happens on end-users computers means have no control on computers , i'm unable go on screen , check out plug-ins have.

are ways check this? , find out add-on's installed on end-users pc?

the error one:

the token '>' expected found 't'. line 1, position 1572.

stacktrace:

at system.xml.xmlexceptionhelper.throwxmlexception(xmldictionaryreader reader, string res, string arg1, string arg2, string arg3) @ system.xml.xmlexceptionhelper.throwtokenexpected(xmldictionaryreader reader, string expected, char found) @ system.xml.xmlutf8textreader.readstartelement() @ system.xml.xmlutf8textreader.read() @ system.xml.xmldictionarywriter.writenode(xmldictionaryreader reader, boolean defattr) @ system.xml.xmldictionarywriter.writenode(xmlreader reader, boolean defattr) @ microsoft.identitymodel.protocols.wstrust.wstrustserializationhelper.readinnerxml(xmlreader reader, boolean onstartelement) @ microsoft.identitymodel.protocols.wstrust.wstrustserializationhelper.readrstrxml(xmlreader reader, requestsecuritytokenresponse rstr, wstrustserializationcontext context, wstrustconstantsadapter trustconstants) @ microsoft.identitymodel.protocols.wstrust.wstrust13responseserializer.readxmlelement(xmlreader reader, requestsecuritytokenresponse rstr, wstrustserializationcontext context) @ microsoft.identitymodel.protocols.wstrust.wstrustserializationhelper.createresponse(xmlreader reader, wstrustserializationcontext context, wstrustresponseserializer responseserializer, wstrustconstantsadapter trustconstants) @ microsoft.identitymodel.protocols.wstrust.wstrust13responseserializer.readxml(xmlreader reader, wstrustserializationcontext context) @ microsoft.identitymodel.protocols.wsfederation.wsfederationserializer.createresponse(wsfederationmessage message, wstrustserializationcontext context) @ microsoft.identitymodel.web.wsfederationauthenticationmodule.getxmltokenfrommessage(signinresponsemessage message, wsfederationserializer federationserializer) @ microsoft.identitymodel.web.wsfederationauthenticationmodule.getxmltokenfrommessage(signinresponsemessage message) @ microsoft.identitymodel.web.wsfederationauthenticationmodule.getxmltokenfrommessage(signinresponsemessage message, wsfederationserializer federationserializer) @ microsoft.identitymodel.web.wsfederationauthenticationmodule.getsecuritytoken(signinresponsemessage message) @ microsoft.identitymodel.web.wsfederationauthenticationmodule.getsecuritytoken(httprequest request) @ microsoft.identitymodel.web.wsfederationauthenticationmodule.signinwithresponsemessage(httprequest request) @ microsoft.identitymodel.web.wsfederationauthenticationmodule.onauthenticaterequest(object sender, eventargs args) @ system.web.httpapplication.synceventexecutionstep.system.web.httpapplication.iexecutionstep.execute() @ system.web.httpapplication.executestep(iexecutionstep step, boolean& completedsynchronously)


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