Visual Studio freezes and shows a busy notification while and after debug session

Reported by Michael Dietrich Aug 23, 2017 at 08:58 AM windows 10.0 visual studio 2017 version 15.3 debugger performance editor xaml Fixed-in: Visual Studio 2017 version 15.4 Preview 3 Fixed-in: Visual Studio 2017 Version 15.4

We have a bigger WPF application.
Then I start a debug session.
After closing this application Visual Studio freezes often but not always, lets say 50% of the time (seems also to happen while the debugging session is active).
After some delay the Visual Studio busy notification appears.

Fun fact: right clicking the busy notification related tray icon will show up a context menu and makes Visual Studio to be not frozen any more, while this is currently a work around for me, this can't be the solution.

Since I do a lot of design stuff, my active tab is often the XAML text editor (XAML Designer is disabled for me), I somehow have the feeling that this is related to the issue.

Update:

Seems to be a XAML debugging related bug that does not occur if Tools > Options > Debugging > Enable UI Debugging Tools for XAML is not checked.

It is probably a duplicate of

https://developercommunity.visualstudio.com/content/problem/36960/visual-studio-crash-on-opening-xaml-while-debuggin.html

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Patric Klein · Aug 24, 2017 at 07:23 AM 0

Same issue here!

Simon Blume · Aug 29, 2017 at 11:09 AM 0

I have the same issue. even after updateing to version 15.3.2 the issue is still there.

Lingling Tong [MSFT] · Aug 30, 2017 at 06:27 PM 0

Thank you for your feedback! For us to investigate this further, could you please try uncheck Debug -> Options -> Enable UI debugging for XAML and let us know if it makes any difference? We look forward to hearing from you!

Patric Klein · Aug 30, 2017 at 07:03 PM 0

uncheck Debug -> Options -> Enable UI debugging for XAML fixes the problem for me.

Simon Blume · Aug 31, 2017 at 06:11 AM 0

Yes uncheck Debug -> Options -> Enable UI debugging for XAML fixes the problem. But it would be nice too use them :)

Lingling Tong [MSFT] · Aug 31, 2017 at 04:10 PM 0

Thanks for trying this out and giving us this information. It helps us to address the issue. I have given this issue to the right team to look at.

chabiss [MSFT] · Sep 07, 2017 at 08:56 PM 0

Thank you for your feedback! We have fixed the problem in an upcoming release. Thank you for helping us build a better Visual Studio!

Sergey Tregub · Sep 13, 2017 at 06:45 AM 0

I encountered a similar issue. But I found that it occurs only if I have XAML window opened. When I close all XAML windows the problem disappears

John Catenzaro - MSFT [MSFT] ♦♦ · Sep 25, 2017 at 09:42 PM 0

The fix for this is now in our latest Visual Studio Preview release. If you'd like to try out the fix, you can access the preview build here: https://www.visualstudio.com/vs/preview

Best Solution

Added a solution by chabiss [MSFT] · Sep 07, 2017 at 08:51 PM

"Lightweight Solution Load" being enable with "Enable UI debugging for XAML" is what is causing this hang. We have a pending fix for 15.4. In meantime, here's what you can do.

If you plan to use "Enable UI Debugging for XAML", make sure your current solution is not set to Lightweight Solution Load: In the options->Project and Solution, make sure that "Lightweight Solution Load" is disabled. Also make sure that in the solution properties, "Lightweight load" is not turn on .

If you don't plan to use "Enable UI Debugging for XAML", uncheck Debug -> Options -> Enable UI debugging for XAML and this should unblock you as well.

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Simon Blume · Sep 08, 2017 at 06:24 AM 0

It works when I disable lightweight Solution Load :) thank you for the fast fix I'm looking forward to the release of 15.4!

Jamie Clayton · Sep 10, 2017 at 11:43 PM 0

Appreciate the MS have got a solution for 15.4. Do we have a timeline for that release. VS 2017 15.3 Enterprise edition is really effecting productivity of our software team.

Added a solution by Michal Turecki · Sep 08, 2017 at 10:11 AM

Great to hear the fix is coming, please link/close my issue too when fixed: https://developercommunity.visualstudio.com/content/problem/96859/visual-studio-20173-freezes-when-stopping-debuggin.html

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Added a solution by John Catenzaro - MSFT [MSFT] · Oct 09, 2017 at 09:01 PM

This issue has been fixed and is now available in our latest update. You can download the update via the in-product notification or from here: https://www.visualstudio.com/vs/ Thanks to all who provided feedback and votes for this problem.

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Prabal Ghosh · Feb 07 at 11:31 PM 1

This issue is not fixed even in 15.5.6 of VS Professional, at least for UWP apps. Again disabling the UI Debugging tools as mentioned above resolved the issue immediately.

Visual Studio Professional 2017 Build 15.5.6

Windows 10 Pro 1709 Build 16299.192

UWP Application with Minimum Required OS set to 16299

Roi Chen [MSFT] ♦ Prabal Ghosh · Feb 08 at 07:11 AM 0

Hi Prabal, Can you create a new report by using Report A Problem in Visual Studio (It's on the Help Menu under Send Feedback) since this issue has been closed for a long time? Thank you for your patience.

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