Microsoft is actively preventing users of Apple’s iCloud for Windows tool from updating Windows 10 to the latest build, with a new warning for version 1809 of the Microsoft operating system advising the iCloud software is not currently supported.
Source: macinsider

Apple's iCloud for Windows users can't get the latest Windows 10 update because of nasty bug
More from Apple iMac and iPhonesMore posts in Apple iMac and iPhones »
- New iPad Pro in the fall could have Apple Silicon M2 chip, maybe not MagSafe
- Speck Presidio Folio for MagSafe review: Portable charging convenience
- Best deals Jan. 23: $20 Audio-Technica earphones, $12 SanDisk USB-C Flash Drive, more!
- Apple Car engineering manager departs for Meta role
- Fall of 2022 will be Apple's biggest ever, if rumors are correct