This copy of the Install macOS Sierra.app application is damaged [Fixed]

🛈Today's Message: For the strength of the Pack is the Wolf, & the strength of the Wolf is the Pack.

Are you getting the error message ‘This copy of the Install macOS Sierra.app application is damaged, can’t be used to install macOS‘? Here is the working solution to fix the problem.

Please follow the below steps carefully for solving the problem and making it work. We hope it will work for you.

  1. Go to your apps folder.
  2. Search macOS Sierra installer > Right click on it > then select “Show Package Contents” option.
  3. Click “Contents” folder.
  4. Click “SharedSupport” folder.
  5. Delete the “InstallInfo.plist” file.
  6. Now provide the authentication password.
  7. Now you can open the installer.

Check the all requirements for upgrading your PC to Mac OS sierra. Now the problem will be eliminated. If you have any doubts please ask us below.