Unable to upgrade from Bun v1.1.42 to v1.1.43 on Windows 11

[abdelfattahradwan]

What version of Bun is running?

1.1.42+50eec0025

What platform is your computer?

Microsoft Windows NT 10.0.22631.0 x64

What steps can reproduce the bug?

• Open a new administrator PowerShell instance.
• Run bun upgrade

What is the expected behavior?

Bun should successfully upgrade from v1.1.42 to v1.1.43

What do you see instead?

The binary downloads successfully, but the rest of the operation fails with the following error:

New-Object : Exception calling ".ctor" with "3" argument(s): "Operation did not complete successfully because the file
contains a virus or potentially unwanted software.
"
At C:\program files\windowsapps\microsoft.powershell_7.4.6.0_x64__8wekyb3d8bbwe\Modules\Microsoft.PowerShell.Archive\Microsoft.
PowerShell.Archive.psm1:946 char:30
+ ... ileStream = New-Object -TypeName System.IO.FileStream -ArgumentList $ ...
+                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (:) [New-Object], MethodInvocationException
    + FullyQualifiedErrorId : ConstructorInvokedThrowException,Microsoft.PowerShell.Commands.NewObjectCommand

error: Failed to verify Bun (code: FileNotFound))

Additional information

No response

[jonaspm]

same here.

[damieng]

Also same problem. Virus Total is reporting that Microsoft has flagged the download with Trojan:Script/Wacatac.B!ml

https://www.virustotal.com/gui/file/0af5374d1aa76e88722c2c66f72fa018b786766304c8cafec09774296d5ca80e

Locally being flagged:

[basst85]

Yeah, i get the same MS Defender warning when installing on Windows 11

[Jarred-Sumner]

Sounds like we need to start codesigning the Windows executable

[abdelfattahradwan]

I tried upgrading again today, and things are working OK.