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Mar 27, 2020 · I don't know of a way to specifically find "legacy" system extensions; however, if you're looking for the extensions mentioned by the OS dialogs warning you about their deprecation, you can run the following in Terminal, noting the lines beginning with Signed by: system_profiler SPExtensionsDataType
Aug 22, 2020 · LEGACY SYSTEMS How do I display the legacy system extensions, to identify what programs will not continue to work in the future and or contact the developers? 82 1 1 reply
Jun 20, 2020 · How can I remove a "Legacy System Extension"? 297 1; 5 replies. Loading page content.
Jan 13, 2022 · Legacy System Extension. Existing software on your system loaded a system extension . signed by ''Oracle America, Inc.'' which will be incompatible . with a future version of macOS. Contact the developer for support. I appreciate!
May 15, 2020 · What is a Legacy System Extension post Catalina upgrade. I just upgraded to Catalina from High Sierra. I have a 2012 MacBook Pro, so I was surprised that I was allowed to go there. After the installation, I received a notice that is attached. Beneath that it said "Legacy system extensions and the apps that rely on them continue to work today.
Aug 18, 2023 · System Extension Blocked: signed by 'WEI LU SU' that needs to be updated by the developer. Pop-up: "System Extension Blocked: A program tried to load new system extension(s) signed by 'WEI LU SU' that needs to be updated by the developer." Anyone know whether the update is safe? I'm on MacBook Pro (late 2013, MacOS Big Sur ver 11.4).
Oct 24, 2022 · Legacy system extensions I got a pop up that my MacBook Pro won't support certain legacy system extensions after a certain date. I also saw Huawei pop up and I don't want anything to do with that company.
Feb 5, 2021 · Existing software on your system loaded a system extension signed by “Mattias Nissler” which will be incompatible with a future version of macOS. Contact the developer for support. On my MacBook Pro (MacOS Big Sur v11.2), when the software got upgraded, the above comments came.
Jun 23, 2020 · You say you deleted the software - that sounds like (1) you know the program causing the problem and (2) you deleted the application but not the extension.
Jun 27, 2020 · The next major release of macOS will not allow third party kernel extensions. It's just warning that any third party software you're using that installs such extensions will not work in macOS 11.
