While most mods have good computing practices, the last 10 users I met with had no backups of:
"What we can't lose."
If you have downloaded the latest ISO from the Media Creation Tool, avoid installing it at this time and wait for new media.
Microsoft has stopped distributing its latest Windows 10 October 2018 Update. The software giant started rolling out the update during the company’s Surface event earlier this week, but some Windows 10 users immediately noticed their documents were being deleted. “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,” says Microsoft on its support site for Windows Update.
Hope this helps................