Mac : ITDe-Filing-2025” is damaged and can’t be opened. You should eject the disk image

 Yes 👍 this is a common Mac problem with the AIS Utility .dmg file from the Income Tax site. macOS shows:

“ITDe-Filing-2025 is damaged and can’t be opened. You should eject the disk image.”

This doesn’t actually mean it’s damaged — it’s macOS Gatekeeper blocking it because the app isn’t signed with Apple’s developer certificate.

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✅ Fix 1: Allow the app via Security settings

1. Download the .dmg file again (sometimes Safari corrupts it, use Chrome/Edge).

2. Open the .dmg and drag the ITDe-Filing-2025 app to Applications.

3. Go to System Preferences → Security & Privacy → General.

4. At the bottom, you’ll see a message:
   “ITDe-Filing-2025 was blocked because it is not from an identified developer”.

5. Click Open Anyway.

6. Next time you launch, it should open fine.

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✅ Fix 2: Use Terminal to bypass Gatekeeper

If step 1 doesn’t show Open Anyway, run this in Terminal:

xattr -cr /Applications/ITDe-Filing-2025.app

Then run:

open /Applications/ITDe-Filing-2025.app

This removes the “quarantine” flag and forces macOS to allow it.

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✅ Fix 3: Disable Gatekeeper temporarily (not recommended unless stuck)

sudo spctl --master-disable

• Then install & run the app.

• After installation, re-enable Gatekeeper:

sudo spctl --master-enable

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