![macos - This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading - Ask Different macos - This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading - Ask Different](https://i.stack.imgur.com/E1BMF.png)
macos - This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading - Ask Different
![USB Flash Drive Don't Copy/Paste or Read/Write Mac, External USB Storage Not Working on MacBook iMac - YouTube USB Flash Drive Don't Copy/Paste or Read/Write Mac, External USB Storage Not Working on MacBook iMac - YouTube](https://i.ytimg.com/vi/d-GGurboCNY/maxresdefault.jpg)
USB Flash Drive Don't Copy/Paste or Read/Write Mac, External USB Storage Not Working on MacBook iMac - YouTube
![At a loss. Made Mac usb installer, got copy of El Capitan from Apple's website, tried reinstalling on my internal hard drive and this the message I get. What do I do At a loss. Made Mac usb installer, got copy of El Capitan from Apple's website, tried reinstalling on my internal hard drive and this the message I get. What do I do](https://preview.redd.it/at-a-loss-made-mac-usb-installer-got-copy-of-el-capitan-v0-20zpomj96ky91.jpg?auto=webp&s=ab92110af1751e97cd90cb6795a5016c5d6efcbe)