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My iMac iMac (21.5-inch, Late 2013) is showing the above security update but freezes when restarting. I've reloaded the OS but to no avail - have other users had similar problems? Is there a simple fix?
Restart computer in Safe Mode. Shift key immediately at restart. T=It will do a repair disk, clear cache files and eliminate third party software, extensions and fonts from loading. The boot time will be slow - normal
This may or may not allow the update to complete - hopefully successfully.
Restart computer in Safe Mode. Shift key immediately at restart. T=It will do a repair disk, clear cache files and eliminate third party software, extensions and fonts from loading. The boot time will be slow - normal
This may or may not allow the update to complete - hopefully successfully.
Has one considered manually download the Download Security Update 2021-008 .
The stop at that point. Perform a Time Machine Backup
Once that is down, again boot in Safe Mode and then run the Security Update 2021-008
Have found the Safe Mode more reliable
Annoyingly I’ve tried the “shift” restart and used the disk utility for first aid.
The shift restart showed Safe Boot in the top bar but nothing else seemed to happen, so, I log in and try to accept the update again and it continues to freeze on reboot.
Very annoying!
I have been trying for months to. install security updates for externals running 10.14 and 10.15 (the 008 you mention) and the “security loads” broke the disks. MULTIPLE disks. Yes i did follow the “normal” procedures and preparations, then tried to install via System Preferences (didn’t work) and using the direct webpage download of installer packages (didn’t work). Since they install fine but the final boot stays stuck on the white on black apple logo, I’m convinced even more apple is weeding out SDHD external boot disk (they removed SDHD ports from mac minis and laptop line ups haven’t they?)
I even tried a brand new blank high speed/quality SDHD installing Catalina then security 008, same frozen white apple logo!
so yes. i’ve had the same prob for months on trying every possible means of security install. Same outcome no matter what appropriate version of sec update to OS is used and properly applied.
Disk Utility shows bad BSD flags but “appears normal” and no fix needed. I didn’t try terminal commands in single user, I’m sick and tired of the time I wasted already.
I launched from a clean 10.14 and copied my personal user folder and my installed apps off, and am presently re installing CLEAN from downloaded installer, erasing first.... AGAIN. Since installer run from 10.14 does not allow install over existing (Apple broken) 10.15, I can delete system and library folders or just ERASE FULLY and install again.
Complete reformat it is... AGAIN
BUT THIS TIME I WILL IGNORE ANY FUTURE UPDATE/INSTALL APPLE TRIES TO PUSH ON ME.
This does not work on anything than the internal OS the machine is running on. I try reboot keyboard shortcuts on SDHD boot disks, and it always applies to the internal OS boot disk. At that primal level of operations it doesn’t surprise me it defaults to the root level of hardware
kevin4bowen wrote:
Finally resorted to a factory reset and that fixed the issue and was able to download the update after first updating with the preceding updates. Thanks for your suggestions
In early 2000’s my M.O. was to begin using external disks to install/use any new OS. In the simple days I even ran the OS from external, while I kept all my data/prefs aliased safe other disk. I was ok with the slight slower read writes that way. Now with SSD’s and thunderbolt lines, it’s not issue.
If something fails, I can get a new external or erase and reinstall. The OS internal is the original the macbook pro came with, and I intend to keep it that way (5 year old laptop, 10.10)
When I want the nicer old interface just to type up a letter, use an old but fine licensed software, or browse the net, in goes older OS. For apps that only run Catalina, in goes disk. Failures like this security crappppp are contained to that disk.
ITS A TRAVESTY apple has removed all SDHD ports on new lines, and as far as I’m concerned looks like they are coding out their use with these “updates”. I won’t be “security updates “ in the future.
Welcome and sorry to read one had Wipe and reinstall just to get the 2021-008 Security update installed.
Finally resorted to a factory reset and that fixed the issue and was able to download the update after first updating with the preceding updates. Thanks for your suggestions
Security Update 2021-008 Catalina - restart freezes despite reloading OS
