Tuesday, March 1, 2016

Tech Support: Event Viewer error - MMC has detected an error in a snap-in and will unload it.

Event Viewer error - MMC has detected an error in a snap-in and will unload it.

Greetings all,

I tried running Event Viewer and am getting this error.
 I have already tried running sfc to no avail.
Other than a reinstall, does anyone else have any suggestions? Any assistance would be greatly appreciated! Thank you :)

Unhandled Exception in Managed Code Snap-in

Exception type:

Exception stack trace:
  at Microsoft.WindowsEventCollection.Private.ECNativeMethods.EcIsConfigRequired(Boolean& val)
   at Microsoft.Windows.ManagementUI.CombinedControls.SubscriptionProcessingHandler.SubscriptionProcessing.InitializeSubscriptionService(Boolean askUser)
   at Microsoft.Windows.ManagementUI.CombinedControls.SubscriptionProcessingHandler.IsServiceRunning(Boolean askUser)
   at Microsoft.Windows.ManagementUI.CombinedControls.EventsNode.SetActionsForNode()
   at Microsoft.Windows.ManagementUI.CombinedControls.EventsNode.AddChildrenToViewerRootNode()
   at Microsoft.Windows.ManagementUI.CombinedControls.EventsNode.CreateChildNodes()
   at Microsoft.EventViewer.SnapIn.MMCRootNode.ExpandNode()
   at Microsoft.EventViewer.SnapIn.MMCRootNode.OnExpand(AsyncStatus status)
   at Microsoft.ManagementConsole.NodeSyncManager.ProcessRequest(NodeRequestInfo info, IRequestStatus requestStatus)
   at Microsoft.ManagementConsole.SnapIn.ProcessRequest(Request request)
   at Microsoft.ManagementConsole.Internal.SnapInClient.Microsoft.ManagementConsole.Internal.IMessageClient.ProcessRequest(Request request)
   at Microsoft.ManagementConsole.Internal.IMessageClient.ProcessRequest(Request request)
   at Microsoft.ManagementConsole.Executive.RequestStatus.BeginRequest(IMessageClient messageClient, RequestInfo requestInfo)
   at Microsoft.ManagementConsole.Executive.SnapInRequestOperation.ProcessRequest()
   at Microsoft.ManagementConsole.Executive.Operation.OnThreadTransfer(SimpleOperationCallback callback)


Anwsers to the Problem Event Viewer error - MMC has detected an error in a snap-in and will unload it.

Download SmartPCFixer to Fix It (Free)

Hi Faedri,
Thanks for posting your query on the Microsoft Community Forum.
From the issue description it seems that you are getting error “MMC has detected an error in a snap-in and will unload it” while running Event viewer.
I do understand the inconvenience.
Let us perform the steps mentioned in the following article and check if it helps.
MMC has detected an error in a snap-in and will unload it
Note: Run the Hotfix provided in the link and check if they help in resolving the issue.
Hope it helps! In case you have any questions regarding Windows operating system please post on Microsoft Community Forum.

Boot in Safe Mode:

  • Open Run command as previously described
  • Type MSConfig
  • Click on Boot tab
  • Tick Safe boot in Boot option
  • Select Network
  • Click Apply and OK
  • Reboot your system

Your system will boot in Safe mode with Networking. You may now try and open Windows Store and should not see any errors.

Another Safe way to Fix the Problem: Event Viewer error - MMC has detected an error in a snap-in and will unload it.:



How to Fix Event Viewer error - MMC has detected an error in a snap-in and will unload it. with SmartPCFixer?

1. You can Download Error Fixer here. Install it on your computer. When you open it, it will perform a scan.

2. After the scan is done, you can see the errors and problems which need to be repaired.

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