MouseWithoutBorders settings.json being read by another program

### Microsoft PowerToys version

0.100.0

### Installation method

Microsoft Store

### Area(s) with issue?

Mouse Without Borders

### Steps to reproduce

Run PowerToys, enable MouseWithoutBorders. Let it run for minimum of 30 minutes, open Event Viewer. Looks under Windows Logs, Applications.

### ✔️ Expected Behavior

Error not to be present.

### ❌ Actual Behavior

_No response_

### Upload Bug Report ZIP-file

[PowerToysReport_2026-06-17-20-30-05.zip](https://github.com/user-attachments/files/29074445/PowerToysReport_2026-06-17-20-30-05.zip)

### Additional Information

_No response_

### Other Software

_No response_

Start by reviewing the Event Viewer entry and the attached PowerToys report ZIP, then inspect Mouse Without Borders handling of settings.json. Done means identifying why another program is reported as reading the file and confirming that the error no longer appears after running the utility for at least 30 minutes.

Written by the indexing model from the issue text.