WireGuard Windows 0.6.1 regression after recent update (tunnels lost & import failure)

Hello,

I am reporting a critical issue with WireGuard on Windows (version 0.6.1).

We have observed that this issue started occurring consistently after
recent updates (approximately 1 days ago).

Before that, some systems updated to 0.6.1 without problems, but now
the issue occurs 100% of the time after updating.

Issues observed:

1) Existing tunnels are lost after update
- Previously configured tunnels disappear
- Configurations folder appears empty

2) Cannot import new tunnels
- ZIP and config files are not visible in the import dialog
- Even using "*.*" filter, files do not appear
- Files definitely exist in the selected folder

This is affecting multiple users in a production environment.

It seems that something may have changed recently in the update
package or behavior, even though the version number remains 0.6.1.

Please confirm if there has been any recent change or if this is a
known regression.

Thank you.