[BUG] Setup fails with the error "The system cannot find the file specified"

### Please confirm these before moving forward

- [x] I have searched for my issue and have not found a work-in-progress/duplicate/resolved issue.
- [x] I have tested that this issue has not been fixed in the latest [(beta or stable) release](https://github.com/Devolutions/UniGetUI/releases/).
- [x] I have checked the [FAQ](https://github.com/Devolutions/UniGetUI#frequently-asked-questions) section for solutions.
- [x] This issue is about a bug (if it is not, please use the [correct template](https://github.com/Devolutions/UniGetUI/issues/new/choose)).

### UniGetUI Version

2026.1.9

### Windows version, edition, and architecture

Windows 11 Pro 25H2 26200.8246

### Describe your issue

When I run the setup "UniGetUI.Installer.x64.exe" downloaded from github I receive as error: "The system cannot find the file specified".

After that there's no other option than closing the setup and I can't find UniGetUI inside my start menu.

### Steps to reproduce the issue

I run UniGetUI.Installer.x64.exe and I receive the error in the screenshot.

### UniGetUI Log

```text
//
```

### Package Managers Logs

```text
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```

### Relevant information

The issue started from version 2026.1.8.

### Screenshots and videos

_No response_