The "4: Use xattr on the App Throwing the Damaged Error" did the trick, I can now access the tool. I will use it when I get home. Thank you very much indeed!

@TP-Link Thank you very much for following up. It is a MacBook Pro (15-inch, 2018), OS Version 12.0 Beta (21A5304g). I will check the links you have provided. Thanks again!

@TP-Link Hi, thanks for the quick follow up. The link works and I can download the file, that is not the issue. When I expand the file, I get this error message: Any tips? Thanks!

Hi! I have tried repeatedly to download the firmware update version from https://static.tp-link.com/2021/202103/20210325/M9Plus_2.0_upgrade_tool_v1.2.0_macOS.zip file and every single time I get an...