Microsoft recently released cumulative update for Windows 10 Version 1903 and 1809 for x64-based Systems (KB4503293) and (KB4503327). But it seems like the update breaks the Custom Views in Event Viewer in Windows 10.

Fix - Windows 10 1903 Cumulative Update (KB4503293) & (KB4503327) Breaks Event Viewer Custom Views

After installing the latest update, lots of users start reporting about the same error. What actually happening is:

After installing the (KB4503293) and (KB4503327) Update, it breaks Event Viewer ‘Custom Views,’ meaning they can’t be viewed and Event Viewer crashes. When trying to access them, a quick dialog box opens up showing an error message which reads:

“MMC has detected an error in a snap-in and will unload it”

Unload the snap-in and continue running

After that, if you select “Unload the snap-in and continue running,” and click OK.

Now another dialog box “Unhandled Exception in Managed code Snap-in” opens showing the following messages:

Unhandled Exception in Managed code Snap-in

The process cannot access the file ‘C:\ProgramData\Microsoft\Event Viewer\Views\View_0.xml’ because it is being used by another process.”

Fix – Windows 10 Commulative update break Event Viewer Custom Views

It is a very annoying issue. In case, you’re seeing the same error message, then fret not. Fortunately, there’s a quick workaround which you can use to fix the issue:

Launch File Explorer in Windows 10 and navigate to following location:

C:\ProgramData\Microsoft\Event Viewer\Views

Here, simply delete the View_0.xml or View_other number.xml file.

Now close everything and try to launch Event Viewer and check Custom Views. This you will not see any error message.

Alternate fix – Some users also suggested that they were able to fix the issue by renaming the file in Views folder. In case, the above method fails to fix the problem; then you can also try this method.

Update June 13/06/2019 –

Microsoft offers a workaround to view Event Viewer Custom Views in Windows 10 1903 after KB4503293. You can visit the following support page for the solution:

Source Deskmodder

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