Microsoft’s Windows 10 October Update started rolling out earlier this week and some users started complaining that it was deleting some of their personal files. This prompted sites to warn users to
Microsoft has since acknowledged the issue and updated their Windows 10 update history support page indicating they have halted the rollout while they investigate.
We have paused the rollout of the Windows 10 October 2018 Update (version 1809) for all users as we investigate isolated reports of users missing some files after updating.
Additionally, the company has listed a number of workarounds that including contacting the company and delaying the installation if you’ve already downloaded it.
If you have checked for updates and believe you have an issue, please contact us directly at +1-800-MICROSOFT or find a local number in your area https://support.microsoft.com/en-us/help/4051701/global-customer-service-phone-numbers.
If you have access to a different PC, please contact us at https://support.microsoft.com/en-us/contactus/ (link will vary according to country of origin).
If you have manually downloaded the Windows 10 October 2018 Update installation media, please don’t install it and wait until new media is available.
Microsoft has no ETA on a fix but state that they will provide an update when they resume the rollout.
The Windows 10 October Update was supposed to empower “a new era of personal productivity” but it’s already off to a bad start if the update is deleting the personal files of some users.Source: MSPoweruser