Macbook Air Issue
I had an issue with a Macbook Air where it was not starting up properly and displaying a message of: "MacOS could not be installed on your computer Storage system verify or repair failed. Quit the installer to restart your computer and try again." It would boot into this error and would not come out of it if restarted, and trying some of the many suggestions on how to fix it: Use disk utilities and First Aid on the drive and reboot to get it working. Booting into recovery mode by holding Command & R, and trying the same thing as above with the disk utility. Free up space on your drive for the update. Downloading the update and installing it manually. The only way around it was to go into Safe boot, (by holding the Shift key when the OS starts) which is what I did to try the manual update. I could back up all the files with this method so that was good. I found the solution on a youtube video, (https://www.youtube.com/watch?v=mXcUWg4199Q) which suggest