Installer window freezes at 60%

No error messages are displayed.

<img width="598" height="483" alt="Image" src="https://github.com/user-attachments/assets/cbb4fddc-9681-4706-b45b-1b5142e54451" />

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aleph_0.7.1_x64_en-US.msi
Microsoft Windows 10.0.19041.6218