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Source tree installation fails on log in process


When i try to install the SourceTree software with my atlassian account that has been activated , the installation process fails.

After third step of installation process , log on into your atlassian account and use and existing account. 

I fill all the fields required , user and password and the following message is shown : 

"Something went wrong while attempting to validate your credentials."

I have tried to reset my acoount passwod  with the same result.

I can log in into atlassian site with my credentials with no problems.


I have  searched for a application log file at my computer and there is one at 

folder [userWindows\AppData\Local\Atlassian\SourceTree] \sourcetree.log

who has this error message :

ERROR [2018-02-01 08:45:13,474] [1] [SourceTree.App] [.ctor] - finish EnsureSquirrelExecutionStubIsCopied


I have tried several versions of SourceTree with the same issue.




4 answers

Successfully resolved this issue on Windows Server 2012 R2.

  1. Added * to Trusted sites (Internet Properties > Security > Trusted sites > Sites)
  2. Edited the security settings (Custom Level) for Trusted sites to:
  • Enable Access data sources across domains (under Miscellaneous)
  • Enable Allow META REFRESH (under Miscellaneous)
  • Enable Active scripting (under Scripting)

I hope this helps someone else!

I have permission to install sourcetree but I cannot edit all settings in 'Internet Options > Security'. Please help...

Like Evgeniy Vitalievich likes this

I got it working after following the steps, Thanks

Works for me. Thanks a lot!

Same issue for me too.

+1 facing the same issue

Same issue here. Its driving me crazy!

0 votes
Ana Retamal Atlassian Team Feb 01, 2018

Hi Ricardo! Thanks for providing that error message. You can find the solution in this other Community thread, it's the answer proposed by Mike Corsaro:

Please navigate to the config file location (C:\Users\{USERNAME}\AppData\Local\Atlassian\SourceTree.exe_{RANDOM_GUID}\\user.config) and find the following line:

<setting name="AutomaticallyCleanUpDictionaryFiles" serializeAs="String">



Make sure that value is set to True

Let us know if it worked for you!

Best regards,


Ana, I have the same issue. I have looked and looked for a solution.

Will Atlassian come out with an installation that works?

There does to seem to be a solution.


Same issue here on SourceTree 2.5.5, none of the posted solutions solves the problem.  

same issue here as well...

@Ana Retamal I've got 3 new developers starting on 5/29 and a fourth on 6/11.  We are licensed users of many atlassian tools.  It would be nice if they were able to use SourceTree to connect to our repos.

Is a solution in the works for this?

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