11.6 failed to personalize error
Hello. I'm trying to update to 11.6 from 11.5.2 on an M1 iMac and having some issues. First, I have to mention that my internet connection is very slow (1Mb/s) and unreliable (satellite system, connection is lost when it rains). Nevertheless, I managed to download the update patch twice before but recieved "failed to personalize the software update" error at the end of both downloads. Now I'm trying to download it a third time. My questions are:
1) I'm hoping that this is an unreliable connection/busy Apple server issue. If so, do I need to clear a download cache or something before starting a new download?
2) Software Update reports that the download size is 3.54GB. Is it normal on an M1 iMac?
3) I've also found a direct link to full installer of 11.6. It's thankfully resumable but its size is more than 12GB. If I download and install this, will it be an update or will it be a clean install, deleting all my applications?
Thank you in advance.
iMac 24″, macOS 11.5