Originally released on October 2, the second feature update to Windows 10 in 2018-called the Windows 10 October update, was pulled back by Microsoft within days of the release due to severe issues being reported, notably the file loss bug. Microsoft explained through a blog post the reason behind that and told it would continue to evaluate things and release the October update later.
Today is the day when the October update is re-releasing. The ISO file has a build number of 17763.107 which contains all the fixes about the issues reported. Microsoft released a blog post about it which can be found here:
To update manually, you can follow these steps: