I can't install any application or open Finder.
Whenever I turn on my mac, the finder functions normally. But after a few seconds, the Finder stops working. Whenever I click it again it says “The application Finder can’t be opened.” Then it has a bunch of numbers (-10810) after that. I can’t download any application on it!
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Sounds like you have a corruption of some sort. But without knowing which model you have I would be guessing on what you need to do to fix this.
How about plugging in your systems serial number here: EveryMac - Lookup and then telling us which model you have.
Dan 의
If you can't open the "about this Mac" under the Apple, then get the serial number off the back cover.
mayer 의
share the screenshot of the error code
Amily Grey 의