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Sourcetree fails to open after 22H2 upgrade

Jerry Busick
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October 4, 2023

We have a few users reporting that their Sourcetree app fails to open after upgrading to Win 10 22H2.  The log files  have entries similar to the below but we have not found a fix:

ERROR [2023-09-29 12:25:23,145] [1] [SourceTree.App] [Log] - Object reference not set to an instance of an object. The application is terminating.

We uninstalled the application and installed the latest with no success.

Is there a fix for this issue?

1 answer

0 votes
Martin Runge
Community Champion
July 9, 2026

Hi @Jerry Busick

Welcome to the Atlassian community!

I believe a reinstall alone won't fix this because the config files persist in your user profile.

You could try clearing the Sourcetree app data by deleting or renaming the contents of %LOCALAPPDATA%\Atlassian\SourceTree, while Sourcetree is closed, then launching it again. Note that this will remove your stored accounts and repository bookmarks, so you will need to re-add those afterward. Your actual Git repositories and history are not affected.

Cheers, Martin

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