file tunnel is empty again

### bug description

its happening again for the file tunnel

### reproduction steps

1. try to download
2. file tunnel is empty

### screenshots

![Image](https://github.com/user-attachments/assets/37eb2c70-fd86-4794-86b3-fd9ad7b0ebf3)

### links

```shell

```

### platform information

windows 10

### additional context

_No response_