The October 2018 update to Windows 10 contains more errors. Microsoft will not offer the update if you have iCloud installed, and Apple will not let you install iCloud if you have already upgraded. You also have problems if you have F5 VPN software installed.
This information is from Microsoft's Windows 1
According to Microsoft, Apple iCloud version 7.7 .0.27 is not compatible with the latest update. After the upgrade, you have trouble updating or syncing shared albums. When you try to install iCloud with the October update, you receive an error message that states "iCloud for Windows requires Windows 7, Windows 8, or Windows 10 (Update for April 2018) and earlier."
Windows Update will not offer you the October 2018 update if you have Apple iCloud installed. In other words, Microsoft has set up an "update block" on systems where iCloud is installed.
If you have iCloud installed, Microsoft recommends that you do not upgrade to the October 2018 update using the Downloadable Update Assistant tool. You need to be aware of the broken iCloud behavior if you bypass the blocking and still upgrade. iCloud users who clicked "Check for Updates" at the beginning of October probably also handle this error. Thank you, Microsoft.
Microsoft says it is working with Apple to make a future version of iCloud compatible.
RELATED: Windows 10s October update returns, promising not to delete your system files
The Microsoft website also states that Systems that have F5 VPN clients installed "may lose the network connection if the VPN service is in a split-tunnel configuration." If you have upgraded to the October 2018 update and use this software you can force all system traffic through the tunnel to resolve this issue.
Once again, Microsoft has set up an "update lock" to prevent Windows Update from updating systems with an installed F5 VPN. Microsoft is working on a solution to this problem.
Trend Micro OfficeScan or Worry-Free Business Security systems also include upgrade blocks and systems with AMD Radeon HD2000 and HD4000 series GPUs. Mapped network drives are also broken, but for systems with mapped network drives, the update is automatically installed.
RELATED: The update of Windows 10 in October 2018 will cancel assigned network drives.