SSMS 18.2 crash on Extended Events properties form
Opening a "New session…." (not the wizard) of extended events (or a previously existing one) and browsing the pages (Events, Data Storage, Advanced) hangs the windows and/or directly crashes/terminates SSMS with no error message, specially on the Events page.
Application logs shows the crash as an unhandled exception:
Log Name: Application
Source: Application Error
Event ID: 1000
Task Category: (100)
Level: Error
Description:
Faulting application name: Ssms.exe, version: 2019.150.18142.0, time stamp: 0x5d3573be
Faulting module name: System.Windows.Forms.ni.dll, version: 4.8.3752.0, time stamp: 0x5c7a2429
Exception code: 0xc0000005
Fault offset: 0x00c412df
Faulting process id: 0x24a4
Faulting application start time: 0x01d5433d9e072f9d
Faulting application path: C:\Program Files (x86)\Microsoft SQL Server Management Studio 18\Common7\IDE\Ssms.exe
Faulting module path: C:\WINDOWS\assembly\NativeImagesv4.0.3031932\System.Windows.Forms\7c8f0783ebc11b1d737509d2d7d3247d\System.Windows.Forms.ni.dll
Report Id: d20eb664-390b-4d6c-b14a-70c064f97fed
Log Name: Application
Source: .NET Runtime
Event id: 1026
Level: Error
Aplication: Ssms.exe
Versión de Framework: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.NullReferenceException
at System.Windows.Forms.ComboBox.WmParentNotify(System.Windows.Forms.Message ByRef)
at System.Windows.Forms.ComboBox.WndProc(System.Windows.Forms.Message ByRef)
at System.Windows.Forms.Control+ControlNativeWindow.OnMessage(System.Windows.Forms.Message ByRef)
at System.Windows.Forms.Control+ControlNativeWindow.WndProc(System.Windows.Forms.Message ByRef)
at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr, Int32, IntPtr, IntPtr)
This does not happen on 17.9.1 with same PC against same 2016 database.
I don't know if happens on all 18.x or just 18.2.
Thanks,
Jordi

Fix included in SSMS 18.3
9 comments
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Danny commented
Same here, Server 2016 + MSSQL 2017 + SSMS 18.5
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Bob Weiner commented
removed all versions and reinstalled several times. Returning to v17.9.1 fixed the problem.
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Bob Weiner commented
Any fixes for this? I am seeing it with SQL Server 2016.
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William A commented
Observed this on SSMS 18.2 looking at a SQL Server 2014.
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Henrik Munch commented
I can confirm that i have the same issue in SSMS 18.2 on windows 2012 R2....
I can open the Extended events Properties GUI and get the general page to display properly same with Data Storage page, but when selecting one of other two page (events or Advanced) the GUI is "stuck" and the title changes to "Sessions Properties (Not Responding)"
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Vlad Stryapko commented
Same here, latest version of SSMS and Win 10. Incredibly frustrating.
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zoltix commented
Me too, same issue only with windows 10 1903 french(server, english no issue)
Do you have news ? -
Jonathan Adamit commented
Happens to me on 18.1 and 18.2. Clicking the Events tab hangs ssms. Sometimes, after waiting for a long time - it would overcome and finally present the screen.
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Vijaykrishna commented
Agree with Jordi. This problem started for (me too) only after I started using 18.X. unable to load the Advanced properties / Events tab in the Extended Events Properties.