Microsoft’s Windows 10 October Update deactivates built-in Administrator account, breaks FLAC support

2018 was certainly not a good year for Microsoft’s Windows 10 October 2018 Update (version 1809), as it was plagued with issues such as automatic deletion of files, ZIP files overwrite confirmation bug, font and display problems. To fix these problems, Microsoft had re-released the Windows 10 version 1809 in November last year.

However, it looks like problems surrounding the Windows 10 October 2018 Update is far from over. Windows 10 October 2018 Update has entered the new year with two new issues.

To start with, in a blog post by Microsoft’s Japanese Network & AD support team, the company has acknowledged that upgrading from Windows 10 version 1803 to version 1809 is inadvertently invalidating the built-in Administrator account if it has been previously activated.

This problem is known to occur during the upgrade process when (1) the built-in Administrator account is valid and (2) there are other accounts that also have Administrator permissions.

Microsoft who is aware of the problem is looking to release a fix in late January 2019. Meanwhile, the company is suggesting users to give Administrator privileges to another user account when upgrading to the October 2018 Update.

For those who have already upgraded and are looking to re-activate Administrator account, can do so by going to Computer Management >Local Users and Groups > Users.

Another issue plaguing Windows 10 October 2018 Update is the broken FLAC support in Windows 10. Apparently, users are complaining that upgrading from Windows 10 April 2018 Update to the Windows 10 October 2018 Update is breaking FLAC support in Windows 10. In other words, metadata for FLAC audio files are being truncated or cut off while using File Explorer and other locations such as Groove Music or Windows Media Player.

It appears that Microsoft is aware of the issue, as it had acknowledged and addressed the issue in the latest Windows 10 19H1 preview builds.

“We fixed an issue resulting in FLAC metadata being cut short in File Explorer and other locations, the company writes in a blog post.

However, the fix hasn’t been brought to the October 2018 Update and has not been listed as a known issue. Hence, it is unclear when the issue will be fixed.


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