After applying April Windows Security Patches (KB5036960, KB5036627, KB5036614, KB5035037021), 

Certain workflows are failing with the following error.  It appears to occur after a pause workflow action.

<domain>/apps/test/_layouts/15/NintexWorkflow/preview.aspx?ListId=00000000-0000-0000-0000-000000000000&ItemId=-1&InstanceId=cd4b7425-65d1-4264-876e-577cde26ca96): Nintex.Workflow.NWActionExecutionException: Failed to log to history list. ---> System.Security.Cryptography.CryptographicException: Invalid flags specified. at System.Security.Cryptography.CryptographicException.ThrowCryptographicException(Int32 hr) at System.Security.Cryptography.Utils._ImportKey(SafeProvHandle hCSP, Int32 keyNumber, CspProviderFlags flags, Object cspObject, SafeKeyHandle& hKey) at System.Security.Cryptography.DSACryptoServiceProvider.ImportParameters(DSAParameters parameters) at System.Security.Cryptography.DSA.FromXmlString(String xmlString) at Nintex.Workflow.Licensing.License.5B8=(String 5R8=, String 5h8=, DateTime 5x8=) at Nintex.Workflow.Licensing.License..ctor() at Nintex.Workflow.Licensing.License.6R8=() at Nintex.Workflow.Licensing.License.6h8=(Boolean 6x8=) at Nintex.Workflow.Licensing.License.IsLicenseValid(LicenseCheckType options, SPWeb web, String& invalidReason) at Nintex.Workflow.ActivityReferenceCollection.KRg=() at Nintex.Workflow.ActivityReferenceCollection.FindByActivity(Activity activity) at Nintex.Workflow.Activities.ProgressTrackingActivity.LogProgress(Boolean actionComplete, NWWorkflowContext ctx, ActivityFlags flags) at Nintex.Workflow.Activities.ProgressTrackingActivity.LogProgressStart(NWWorkflowContext ctx) at Nintex.Workflow.Activities.WriteToHistoryListActivity.Execute(ActivityExecutionContext executionContext) at System.Workflow.ComponentModel.ActivityExecutorOperation.Run(IWorkflowCoreRuntime workflowCoreRuntime) at System.Workflow.Runtime.Scheduler.Run() -