03-01-2018, 07:07 AM
you are not alone
https://macperformanceguide.com/
''Today I installed the macOS 10.13.3 Supplemental Update.
Upon reboot the system demanded that macOS be reinstalled (“this version of macOS has to be reinstalled”).
After reinstalling macOS, then it wanted to install macOS 10.13.3 Supplemental Update.
After installing the supplemental update, it demanded that macOS be reinstalled.
= infinite reinstall/update/reinstall/update/reinstall/update/.../ad-nauseum
Maybe this is iMac Pro specific—the new wonderful secure enclave manure anti-feature. The App Store updates window shows that the macOS 10.13.3 Supplemental Update has now been installed 3 times (and counting), as shown below.
See reader comments further below—I’m not the only one who has experienced this issue.
Clean slate does not fix it
Booting into recovery mode, I erased the boot volume with Disk Utility for a totally clean-slate reinstall. Upon reinstall, the same infinite loop results. So I basically have an about $11200 paperweight on my desk, at least until Apple issues macOS HighSierra 10.13.4 and that might not fix it".
https://macperformanceguide.com/
''Today I installed the macOS 10.13.3 Supplemental Update.
Upon reboot the system demanded that macOS be reinstalled (“this version of macOS has to be reinstalled”).
After reinstalling macOS, then it wanted to install macOS 10.13.3 Supplemental Update.
After installing the supplemental update, it demanded that macOS be reinstalled.
= infinite reinstall/update/reinstall/update/reinstall/update/.../ad-nauseum
Maybe this is iMac Pro specific—the new wonderful secure enclave manure anti-feature. The App Store updates window shows that the macOS 10.13.3 Supplemental Update has now been installed 3 times (and counting), as shown below.
See reader comments further below—I’m not the only one who has experienced this issue.
Clean slate does not fix it
Booting into recovery mode, I erased the boot volume with Disk Utility for a totally clean-slate reinstall. Upon reinstall, the same infinite loop results. So I basically have an about $11200 paperweight on my desk, at least until Apple issues macOS HighSierra 10.13.4 and that might not fix it".