Symptoms

We are able to access the K2 Designer through browser but it seems like it is missing any formatting/styling.
 

Diagnoses

The following error in the event log:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 2/23/2015 8:22:34 PM
Event time (UTC): 2/24/2015 1:22:34 AM
Event ID: e7c8c4292c2f472f83e14f1162d25f64
Event sequence: 2
Event occurrence: 1
Event detail code: 0

Application information:


Process information:


Exception information:
Exception type: TypeInitializationException
Exception message: The type initializer for 'SourceCode.Forms.AppFramework.CombinedResourceHandler' threw an exception.
at SourceCode.Forms.AppFramework.CombinedResourceHandler.FixCssUrls(Uri currentUri, String targetPath, String contents)
at SourceCode.Forms.AppFramework.CssBundleItemTransform.Process(String includedVirtualPath, String input)

Exception has been thrown by the target of an invocation.
at System.RuntimeMethodHandle.InvokeMethod(Object target, Objectc] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Objectc] parameters, CultureInfo culture)
at System.Security.Cryptography.CryptoConfig.CreateFromName(String name, Objectc] args)
at System.Security.Cryptography.MD5.Create(String algName)
at SourceCode.Forms.AppFramework.CombinedResourceHandler..cctor()

This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.
at System.Security.Cryptography.MD5CryptoServiceProvider..ctor()
 

Resolution

This error is related to MS known issue: https://support.microsoft.com/kb/935434/en-us

Disabling FIPS algorithm resolved the issue.