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After security update 2021-007 for catalina MAMP isn't working, Graphics kernel error: 0xfffffffb

After installing security update 2021-007 on Catalina, MAMP stopped working and flags a bug with the graphics kernel


MacBook Pro 13″, macOS 10.15

Posted on Oct 29, 2021 3:08 PM

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Yes, the HD4000 driver is working again as before SecUpdate 2021-007



Posted on Dec 15, 2021 8:51 AM

175 replies

Dec 15, 2021 12:47 AM in response to lkrupp

I had a Catalina clean install with no sec. updates other than the included with the package, when I booted the Mac it offered 2021-005, but soon jumped to 2021-007. Yesterday, the same happened, but jumped directly to the 008 one, so If it automatically jumps to it, it's OK to just install 008.


I say this because in the past if an update has been required to go forward It offers that update until you install it and only then the newer ones.


Suprisingly 008 fixed all the problems I noticed with the "James Bond: A Mac to be killed" one :'-)

After security update 2021-007 for catalina MAMP isn't working, Graphics kernel error: 0xfffffffb

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