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"This copy of the Install macOS High Sierra application is damaged"

Joined
Sep 26, 2019
Messages
4
Motherboard
GA-Z270MX-Gaming5
CPU
Intel Core i7-7700K Kaby Lake Quad-Core 4.2 GHz
Graphics
1060
Mac
  1. MacBook Air
  2. MacBook Pro
Mobile Phone
  1. Android
tried changing the date in Terminal, still not working for me
 
Joined
Oct 26, 2020
Messages
1
Motherboard
Gigabyte Z170XP-SLI
CPU
Intel Core i7 6700
Graphics
Gigabyte 1030
That worked for me:

Step 1. Go into the USB you just created with UniBeast
Step 2. Find the Installer for macOS High Sierra
Step 3. Right click on the installer and click “Show Package Contents”.
Step 4. Click on folder named “Contents”.
Step 5. Click on the folder named “SharedSupport”.
Step 6. Delete the file named “InstallInfo.plist”.
Step 7. Enter your administer password to confirm if needs be.
 
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