SQL Server cannot be installed due to WMI error

Description

If you launch MS Outlook and eWay-CRM, this error will occur:

System.Management.ManagementException: Invalid class
at System.Management.ManagementException.ThrowWithExtendedInfo(ManagementStatus errorCode)
at System.Management.ManagementObjectCollection.ManagementObjectEnumerator.MoveNext() 
at eWay.Core.WmiWrapper.ProcessManagement.ApplyToProcesses(String processName, String filter, ProcessHandler iterator)
at eWay.Core.WmiWrapper.ProcessManagement.GetMainWindowHandle(String processName)
at eWay.Core.WindowWrapper..ctor(String processName)
at eWay.Applications.Agent.MainClass.EnableOutlookToolbar()
at eWay.Applications.Agent.MainClass.FinalizeInitialization()
at eWay.Applications.Agent.MainClass.b__4(Object )
at System.Threading._TimerCallback.TimerCallback_Context(Object state)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading._TimerCallback.PerformTimerCallback(Object state)

Version

All versions of eWay-CRM

Difficulty

High

Resolution

This is an error of the WMI component.

The diagnostics can be executed using WMIDiag tool.

There is no database of solutions for specific errors. The recommended solution is to reinstall the operating system. Nevertheless, you can execute some repairs that helped other users. You can find the list of repairs here.