Unable to download or update computer

I can't download any new apps (third party or otherwise) or install the any updates on my Mac. Every time I try it says the program is damaged and needs to be put in trash. Please advise.

iMac 27″, macOS 11.6

Posted on May 11, 2022 12:55 PM

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BDAqua

Level 10

250,259 points

Posted on May 11, 2022 4:22 PM

If you get a corrupted message...

Naw, it's not damaged, it's just that you have an old copy already in Applications, there are 2 cures...

Disconnect from the Internet & set the Date back to 2014, then you can run the Install MacsOS ******* App in Applications, so expired Certificates are not expired.

Trash the Install MacsOS *******.app in Applications then restart, a new copy more recent version can be downloaded.

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BDAqua

Level 10

250,259 points

May 11, 2022 4:22 PM in response to erin_hagan

If you get a corrupted message...

Naw, it's not damaged, it's just that you have an old copy already in Applications, there are 2 cures...

Disconnect from the Internet & set the Date back to 2014, then you can run the Install MacsOS ******* App in Applications, so expired Certificates are not expired.

Trash the Install MacsOS *******.app in Applications then restart, a new copy more recent version can be downloaded.

tjk

Level 9

51,192 points

May 11, 2022 2:02 PM in response to erin_hagan

Hi,

Try booting into Safe Mode: How to use safe mode on your Mac - Apple Support and see if the issue persists there.

May 11, 2022 2:19 PM in response to erin_hagan

Did you try signing out of the App Store, then signing back in?

You can sign out by choose "Sign Out" under the "Store" menu in the App Store application.

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Unable to download or update computer