[CI Failure] SQL Server container exits with CoInitializeSecurity failure (HRESULT 0x800706b5)

## Build Information

Build: https://github.com/microsoft/aspire/actions/runs/30237175621
Build error leg: Tests / Microsoft.EntityFrameworkCore.SqlServer / Microsoft.EntityFrameworkCore.SqlServer (ubuntu-latest)
Pull request: #18865

## Error Message

```
Container exited with code 255.
Stderr:
ERROR: CoInitializeSecurity failure. (HRESULT 0x800706b5)
ContainerNotRunningException: Container ... exited with code 255.
Docker API responded with status code=Conflict, response={"message":"container ... is not running"}
```

## Description

SQL Server container exits with CoInitializeSecurity failure (HRESULT 0x800706b5)

**Type**: infra-failure

## Occurrences

| Date | Build | Job | PR |
|------|-------|-----|----|
| 2026-07-27 | [30237175621](https://github.com/microsoft/aspire/actions/runs/30237175621) | Tests / Microsoft.EntityFrameworkCore.SqlServer / Microsoft.EntityFrameworkCore.SqlServer (ubuntu-latest) | #18865 |

Start with build 30237175621 and the Tests / Microsoft.EntityFrameworkCore.SqlServer job to inspect the SQL Server container failure and its CoInitializeSecurity error. Determine the cause of the exit code 255, then verify that the container remains running and the affected test leg passes.

Written by the indexing model from the issue text.