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Bug
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Resolution: Duplicate
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High
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None
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2.3.1.0
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None
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Windows 10, Version 1703, x64, Russian
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Severity 2 - Major
Symptoms: when I start SourceTree nothing happens. Process sourcetree.exe is created and closed in 2 seconds.
StackTrace in log:
ERROR [2017-09-14 12:42:05,554] [1] [SourceTree.App] [.ctor] - finish EnsureSquirrelExecutionStubIsCopied ERROR [2017-09-14 12:42:05,761] [1] [SourceTree.App] [OnStartup] - Failed to start System.NullReferenceException: Object reference not set to an instance of an object. at SourceTree.Notifications.NotificationsManager.SetOwner(NotificationDialogWindow notificationWindow) at SourceTree.Notifications.NotificationsManager.ShowNotificationDialog[T](NotificationDialogWindow notificationWindow, Tuple`2 customAction, VistaTaskDialogIcon icon) at SourceTree.Notifications.NotificationsManager.ShowNotificationDialog[T](String title, String message, Tuple`2 customAction, String cancelLabel, String suppressionSetting, Action`1 suppressionChangedAction, Object contentControl, String contentCommandLabel, Action contentAction) at SourceTree.Notifications.NotificationsManager.ShowNotificationDialogWithYesConfirmation(String title, String message, String details) at SourceTree.Configuration.WpfSpellCheckerPreFlightCheck.Run() at SourceTree.AppRoot.RunPreFlightChecks() at SourceTree.AppRoot.OnStartup(StartupEventArgs e) at SourceTree.App.OnStartup(StartupEventArgs e)
- duplicates
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- Closed
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- is duplicated by
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- Closed
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[SRCTREEWIN-7904] SourceTree failes to start (NullReferenceException in stack trace)
This is the warning I get each time when starting Sourcetree (currently back on version 2.1.10.0). Why does Sourcetree interfer with Office?
thomas.decraemer thanks for the information.
We have a fix in progress for the notification dialog. However the process should only delete references from the registry, references to files that do not actually exist. Sourcetree does not actually delete any files
I'm afraid I can't do the AutomaticallyCleanUpDictionaryFiles since sourcetree detects the dictionary files of my outlook client and tries to delete them. This in turn makes my Outlook crash...
I'm reverting to 2.1.10.0 in the meantime.
Had the same in my environment, the work-around of adding AutomaticallyCleanUpDictionaryFiles to user.config did help.
After chaning the setting I got some dialogs during startup that closed immediately before I could read them.
After that a warning about outdated Mercurial that remained visible,
in the end Sourcetree started.
The issue seems to be Sourcetree is trying to display a warning dialog before the main window is available.
I suspect meraj.ahmed's workaround is working because it effectively resets the whole configuration.
A potential workaround is to set the following value in the user.config at %localappdata%\Atlassian\Sourcetree.exe_url_{hash}\2.3.1.0\user.config
<setting name="AutomaticallyCleanUpDictionaryFiles" serializeAs="String">
<value>True</value>
</setting>
This should disable the notification that is trying to appear.
Meraj Ahmed
added a comment - Ok, this is strange. I downloaded and installed the current version available from the website again (2.1.11), then I was able to open it. I clicked on the update notification and let it update to the latest version again (2.3.1), then closed and opened and everything worked fine. So try that and see if it works for you.
Meraj Ahmed
added a comment - Ok, this is strange. I downloaded and installed the current version available from the website again (2.1.11), then I was able to open it. I clicked on the update notification and let it update to the latest version again (2.3.1), then closed and opened and everything worked fine. So try that and see if it works for you. Meraj Ahmed
added a comment - Same here. Even if I try to directly run %LOCALAPPDATA%/SourceTree/app-2.3.1/SourceTree.exe or even the older version that's there, %LOCALAPPDATA%/SourceTree/app-2.2.4/SourceTree.exe, neither will launch.
Meraj Ahmed
added a comment - Same here. Even if I try to directly run %LOCALAPPDATA%/SourceTree/app-2.3.1/SourceTree.exe or even the older version that's there, %LOCALAPPDATA%/SourceTree/app-2.2.4/SourceTree.exe , neither will launch. 
Hi Thomas,
Sourcetree just flags up entries from the registry that do not exist, I think if you check you should find that they do not exist on the filesystem.
The presence of these entries can have a significant performance effect on WPF textboxes that allow spell checking, hence the check. You can choose not to delete them.