Module installation fails with "Download failed: Validation Failed" errors when using beta.2 Hub version

Steps to reproduce:

1. Open Unity Hub
2. Install 6000.3.5f2 Editor version
3. After installation navigate to the Installs tab
4. Next to 6000.3.5f2 install, click Manage > Add Modules
5. Select "iOS Build Support" and "Web Build Support" modules
6. Click Install
7. Observe the Downloads window

Actual results: Modules installation fails with "Download failed: Validation Failed" errors

Expected results: Modules are installed with no errors

Reproducible with versions: 3.16.0-beta.2

Can’t test with versions: 3.16.0, 3.16.0-beta.1 (Could not change the version in Hub)

Tested on (OS): macOS 26.2 (M1)

Notes:

• Appears to affect all modules
• After switching to "Beta" Channel in Hub, could not switch back to Production even with reinstalling
• Only affects macOS