FileLocksmith runs for 5 sec and then crashes

### Microsoft PowerToys version

0.98.1

### Installation method

Microsoft Store

### Area(s) with issue?

File Locksmith

### Steps to reproduce

### ✔️ Expected Behavior

I expected the app to run normally and showing me which processes are using that file/folder.

### ❌ Actual Behavior

It loaded 5 seconds and crashed after.

### Upload Bug Report ZIP-file

[PowerToysReport_2026-04-24-21-02-00.zip](https://github.com/user-attachments/files/27063793/PowerToysReport_2026-04-24-21-02-00.zip)

### Additional Information

OS Version: Microsoft Windows NT 10.0.26200.0
.NET Version: .NET 9.0.14
PowerToys is running as user (non-elevated)
Install scope: per user
Operating System Language: English (Germany)
System locale: en-DE

### Other Software

_No response_

Start with the uploaded PowerToysReport ZIP and reproduce the crash in File Locksmith using PowerToys 0.98.1, Windows 10.0.26200.0, and .NET 9.0.14 under a non-elevated per-user installation. Done means File Locksmith runs normally and shows the processes using the selected file or folder.

Written by the indexing model from the issue text.