Installer

Sir Apfelot Blog


16. February 2021

Big Sur Upgrade: "Loss of data due to insufficient disk space" bug seems to have been resolved

Most recently, there was a warning for upgrade versions and betas of macOS 11 Big Sur if there was not enough space on the Mac hard drive. This is because the installer did not perform a hard drive check before the installation. The installation […]
12. November 2020
macOS Big Sur is available for download

macOS Big Sur 11.0.1 is available for download

The backup is done and at the end of the day Apple - as announced - makes the new operating system available for download. macOS Big Sur appears directly in version 11.0.1, since the first bug fixes with [...]
7. May 2020
No Access for Zoom

Why I don't zoom in on my Mac ...

I don't want to spoil the meeting software Zoom or revive its security gaps, especially since many of them have long been fixed. I am more concerned with explaining my personal point of view why I am [...]
13. September 2019
Error message when installing OS X El Capitan.

Fix errors "can't be verified" and "error occurred while preparing the installation" on OS X.

My reader Peter wrote to me a few days ago that he received a strange error message when installing OS X El Capitan and then only could press "OK", which aborts the installation. The exact [...]
13. August 2019
Convert .app to .dmg

Instructions: Create a .dmg from an .app file on the Mac

This is again a manual that I just had to collect myself in an English forum. The reason why I want to turn an .app into a .dmg file is as follows: If you try a macOS [...]