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Hi
I have tried multiple times to download the OS but every time i get message that
This copy of the Install macOS Sierra.app application is damaged, and can't be used to install macOS.
I have validated that i have enough RAM and diskspace when download happens. More than 3 GB RAM and 35 GB disk space is available.
MacBook Pro (Retina, 13-inch, Mid 2014) 2.6 GHz Intel Core i5
Thanks
Vishal
MacBook Pro with Retina display, OS X El Capitan (10.11.6)
Step 1. Go to your applications folder.
Step 2. Find the installer for macOS 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.
Step 8. Now open the installer.
I found a fix.
Check for mac updates on the app store and update.
After that the install worked fine🙂
They are allowed to what they want or need to do, if you want control of them buy shares, lots of shares.
The vast majority just blindly download every update without having a backup plan for when Apple makes a mistake.
How is your "shiny self driving electric vehicle"
Whatever you say.
There are 2 apps I can refer to you, CleanMyMac 3 and Onyx. The first is great for daily, weekly, and monthly maintenance tasks.
And I would recommend that you NOT use either of them at all.
If I can't install Sierra then how macOS Sierra will be available in Applications folder.
Please update if there is any solution on how to resolve this issue with out using the Onyx software. I tried installing Sierra from safe mode also but still the same error persists.
Thanks, slvrstk! As I was installing with a bootable USB, this was the only solution that worked for me.
Thanks a lot
Yep. I was unable to install Sierra via USB. Updating the time fixed the issue for me.
Check the date and time.
STEVE JOBS WOULD HAVE FIRED YOU AGES AGO, GOOD RIDDANCE.....
Bingo.
Bingo.
Mac OS sierra app is damaged
