baketa Posted February 27, 2022 Share Posted February 27, 2022 Hi im in Big Sur 11.6.3, oc 0.7.8, trying to upgrade to Monterey 12.2.1 I have re downloaded it 3 times but at the beginning of the progress always prompt: Installation cannot proceed because the installer is damaged. Quote Link to comment Share on other sites More sharing options...
MaLd0n Posted February 27, 2022 Share Posted February 27, 2022 use this efi folder EFI.zip -Delete old EFI folder and paste new. Don't use merge files -Don't use Drag and Drop into EFI partition. Use Copy/Paste instead -Reset NVRAM one time - with OpenCore use entry "Reset Nvram" / with Clover use F11 key on boot screen 1 Quote Link to comment Share on other sites More sharing options...
baketa Posted February 27, 2022 Author Share Posted February 27, 2022 Reset NVRAM and it works! Quote Link to comment Share on other sites More sharing options...
Swati Posted May 27, 2023 Share Posted May 27, 2023 (edited) Laptop MacBook 2008 installation cannot proceed because the installer is damaged Please help 😭 Edited May 30, 2023 by Swati Quote Link to comment Share on other sites More sharing options...
Allan Posted May 27, 2023 Share Posted May 27, 2023 Hello @Swati Sin, be welcome to InsanelyMac! We can't help if we don't know your hardware and more details. Are you using OpenCore/Clover, is a laptop/desktop etc... Please do the following: [Video] How to add a signature. 1 Quote Link to comment Share on other sites More sharing options...
Swati Posted May 30, 2023 Share Posted May 30, 2023 Laptop MacBook 2008 installation cannot proceed because the installer is damaged Please help 😭  Quote Link to comment Share on other sites More sharing options...
Allan Posted May 30, 2023 Share Posted May 30, 2023 Did you tried another USB stick? Quote Link to comment Share on other sites More sharing options...
Swati Posted June 1, 2023 Share Posted June 1, 2023 Yes? Quote Link to comment Share on other sites More sharing options...
Cyberdevs Posted June 1, 2023 Share Posted June 1, 2023 @Swati How did you and where from did you download the installer? I suggest to download the installer either from App Store or use gibMacOS-master to download the installer. 1 Quote Link to comment Share on other sites More sharing options...
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