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update app failing on win11

hsl
August 30, 2026

hi,

 

i have update to bitbucket 3.4.32 from 3.4.31 but keeps just on the sourcetree logo on win11 .

i have recieved a blocked app on windows  smart app alert notification about signature verification files.

Please check whats going on with last version.

I have downgared to previous version since this one keeps on source tree logo

i still have the old installer on my download folder

 

Alert then refer this page.

https://support.microsoft.com/en-us/windows/security/windows-security/app-browser-control-in-the-windows-security-app

 

 

4 answers

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2 votes
Tomislav Tobijas
Community Champion
August 30, 2026

Hi @hsl ,

I haven't seen some other reports around this and we don't have this particular security package on our devices that I can properly test it out.

However, by looking at SourceTreeSetup-3.4.32.exe signing certificate seems to be valid.

2026-08-30_15-20-11.png

With an expiry date in October 2028.

You could check your installer file by running this in PowerShell:

Get-AuthenticodeSignature "C:\path\to\SourceTreeSetup-3.4.32.exe" |
Format-List Status,StatusMessage,SignerCertificate,TimeStamperCertificate

It could be that this is some out-of-sync Windows issue or Smart App Control blocker. What you could check is this:

Microsoft specifically says that when Smart App Control blocks an installation, you need to look at the Code Integrity log to determine which individual file was blocked. Event ID 3077 is the enforcement/block event, and 3089 contains signature information related to it.

So I think the best next step for the OP is:

  1. Open Event Viewer
  2. Go to:Applications and Services Logs → Microsoft → Windows → CodeIntegrity → Operational
  3. Find the event corresponding to when SourceTree was started — most likely Event ID 3077
  4. Check the File Name in that event.
  5. Run the code above

If you have an internal IT department, they could maybe lend a hand in troubleshooting this (as it might be related to Windows/OS rather than the installer and Sourcetree).

Cheers,
Tobi

hsl
August 30, 2026


Following your steps and because i know the time the error was , the window info says that the file is <myuser>\AppData\Local\SourceTree\app-3432\SourceTree.Api.Dvcs.dll

So the file is SourceTree.Api.Dvcs.dll

it refers that source tree attempted to load the dll and that did not meet enterprise signing level requirements or violated code integrity policy

 

my win11 is fully updated btw!

Thanks for your guide!

Tomislav Tobijas
Community Champion
September 1, 2026

Ah yes. I've tried running , 

Get-AuthenticodeSignature "$env:LOCALAPPDATA\SourceTree\app-3432\SourceTree.Api.Dvcs.dll" | Format-List Status,StatusMessage,SignerCertificate,TimeStamperCertificate

but it does say the file is not digitally signed. On the other hand, the same file in v3.4.31 is also not signed. 👀

This would need some deeper troubleshooting on Microsoft's side. Any chance you can reach out to your IT department that handles these security policies to check with them if they have any insights?

hsl
September 1, 2026

but lets wait for them. this is mylaptop with win11 that as that smart protection.
on win 10 update is fine.

I updated on w10

Like Tomislav Tobijas likes this
hsl
September 5, 2026

today i just try to open the app and i recieved the notification on rigth side.
Now it says sourcetree.exe on  <myuser>\AppData\Local\SourceTree\app-3432\SourceTree

code integrity determined that the process  <myuser>\AppData\Local\SourceTree\SourceTree.exe attempted to load  <myuser>\AppData\Local\SourceTree\app-3432\SourceTree.exe that did not meet enterprise signing level requirements

simply wont open at all

Tomislav Tobijas
Community Champion
September 6, 2026

@hsl this is still only one Windows 11 and not on Windows 10?

I guess you or your IT department could try the following:

Add a Security Exclusion

If Windows continues to block the executable, you may need to manually exclude the Sourcetree folder from protection:

  • Go to Start > Settings > Privacy & security > Windows Security > Virus & threat protection.

  • Under Virus & threat protection settings, select Manage settings.

  • Scroll to Exclusions and click Add or remove exclusions.

  • Add the folder: %LocalAppData%\SourceTree\

Also, you could try clearing your local app data

  • Close all Sourcetree processes.

  • Delete the specific version folder: %LocalAppData%\SourceTree\app-3.4.32\

  • Relaunch the SourceTree.exe from the root %LocalAppData%\SourceTree\ folder to allow it to re-extract the necessary files

to see if that will help 👀

I've also found that if Smart App Control is in "Evaluation" mode, it may block apps more aggressively.

Did you try to reach out IT deppartment/support team to see what they have to say?

hsl
September 6, 2026

Its just in active mode.

I will wait for support. 

The files should be signed properly.

Like Tomislav Tobijas likes this
Fabio Racobaldo _Catworkx_
Community Champion
September 8, 2026

any update on that?

hsl
September 9, 2026

no. I am also wating

1 vote
Arkadiusz Wroblewski
Community Champion
August 30, 2026

Hello @hsl 

I flagged this post to Atlassian attention. Historically there was a precedence where some version lacked proper signing https://jira.atlassian.com/browse/SRCTREEWIN-14668 

Best,

Arek 🤠 

Arkadiusz Wroblewski
Community Champion
September 6, 2026

@hsl 

Code Integrity log shows Windows isn't blocking the installer so issue seems to be `SourceTree.Api.Dvcs.dll` when the app starts.

So version 3.4.32 has a new file hash, Smart App Control hasn't had a chance to build up a cloud reputation for this new version of the DLL yet. This seems like it might be a reoccurrence of the `SRCTREEWIN-14668` issue.

So, based on all that, here's what I'd recommend doing:

1. Stick with version 3.4.31 for a safe workaround (it's best to keep Smart App Control enabled!).

2. Run `Get-FileHash` on the `SourceTree.Api.Dvcs.dll` file to grab the SHA256 hash and include it to your Support Ticket.

Arek 🤠

Like Tomislav Tobijas likes this
0 votes
Tinker Fadoua
Community Champion
September 3, 2026

Welcome to the Atlassian Community @hsl 

Can you please share with us the solution once you get assistance from Atlassian?

Best,

Fadoua

0 votes
hsl
August 30, 2026

i saw that page before, but i just recieve a windows notification on rigth bottom side it was so fast,  it keeps on the sourcetree logo, but was registered on windows events

Arkadiusz Wroblewski
Community Champion
August 30, 2026

Yes, but that will probably need some inspection from Atlassian. We are not working for Atlassian; that's why I flagged this post for their attention.

Till then please use old version.

Cheers 

Arek 🤠 

hsl
August 30, 2026

thank u

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