Red square flashes around apple logo during macOS 10.15.7 supplemental update that fixes exploitable security flaws

Anyone else see a quick red box flash around the Apple logo at the beginning of the final progress bar of the New macOS 10.15.7 supplemental update that fixes exploitable security flaws? Never seen this before. The supplemental update was released 12 hours ago.

MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports)


MacBook Pro 13″, macOS 10.15

Posted on Nov 5, 2020 11:54 PM

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5 replies

Nov 6, 2020 9:39 AM in response to brianfromalliston

brianfromalliston wrote:

No residual issue experienced thus far. Just curious if I'm alone on this one, and a bit concerned, after doing a search on the issue revealed comments pertaining to potential kernal and hardware issues.

My MacBook Pro specs are: 1.7 GHz Quad-Core Intel Core i7 - 16 GB 2133 MHz LPDDR3 - Intel Iris Plus Graphics 645 1636 MB - 500 GB Flash Storage



I would not be concerned about screen anomalies in the update process.

Nov 6, 2020 6:04 AM in response to brianfromalliston

brianfromalliston wrote:

Anyone else see a quick red box flash around the Apple logo at the beginning of the final progress bar of the New macOS 10.15.7 supplemental update that fixes exploitable security flaws? Never seen this before. The supplemental update was released 12 hours ago.
MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports)




If there some residual issue (?)— please explain what this is.




Nov 6, 2020 9:36 AM in response to leroydouglas

No residual issue experienced thus far. Just curious if I'm alone on this one, and a bit concerned, after doing a search on the issue revealed comments pertaining to potential kernal and hardware issues.


My MacBook Pro specs are: 1.7 GHz Quad-Core Intel Core i7 - 16 GB 2133 MHz LPDDR3 - Intel Iris Plus Graphics 645 1636 MB - 500 GB Flash Storage

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Red square flashes around apple logo during macOS 10.15.7 supplemental update that fixes exploitable security flaws

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