Microsoft has updated its Windows 10 Update history page for version 1809 that provides details of issues affecting Windows 10 client as well as Server. “Mapped drives may fail to reconnect after starting and logging onto a Windows device,” Microsoft says, noting that symptoms include a red X on the mapped network drives in File Explorer. Given below is the current status of Windows, version 1809, Windows Server 2019, and Windows Server, version 1809 that are affected as of November 14: As you can see from above, Microsoft is having a compatibility issue between the 1809 update and Trend Micro’s OfficeScan and Worry-Free Business Security software.

In File Explorer, a red “X” appears on the mapped network drives. Mapped network drives show as “Unavailable“ when you run the net use command from a command prompt. In the notification area, a notification displays, “Could not reconnect all network drives.”

Workaround: See KB4471218 for workaround scripts to automatically reconnect a mapped network drive when you log on to the device. Next Steps: Microsoft is working on a resolution and will provide updates in the 2019 timeframe. Next Steps: For information on when critical patches will be available for these products, please refer to Trend Micro’s Business Support Portal.   Customers may get the following error code:  “INVALID_POINTER_READ_c0000005_atidxx64.dll”. Some users may also experience performance issues with the lock screen or the ShellExperienceHost. (The lock screen hosts widgets, and the ShellExperienceHost is responsible for assorted shell functionality). Workaround: To ensure a seamless update experience, we are blocking devices with AMD Radeon HD2000 and HD4000 series graphics processors from being offered Window 10, version 1809. Next Steps: Microsoft is investigating this issue.   “If a customer tries to retrieve and apply the Windows 10 October 2018 Update via Windows Update before applying the required Trend Micro Critical Patch (CP) – validated by certain driver versions – it will not be able to obtain the update for a period of 60 days from the official release of the Windows 10 October 2018 Update. Please note there will be no warning message,” Trend said. “If a customer tries to apply the Windows 10 October 2018 Update via an installation package before applying the required Trend Micro Critical Patch (CP) – again validated by certain driver versions – a warning message will appear notifying the customer to first upgrade the Trend Micro product.” A support page about the issue together with its patches has been posted by Trend Micro. Patches are only available for OfficeScan. Additionally, on the request of Trend Micro, Microsoft has blocked the 1809 update for devices running these security products until a patch from Trend Micro has been installed. Patches are only available for OfficeScan. Also, machines with AMD Radeon HD 2000 or HD 4000 series video cards are facing problems. If you’re using either of these cards, the new Windows build is showing up an “INVALID_POINTER_READ_c0000005_atidxx64.dll” error code and locking the screen. Meanwhile, Microsoft says it is working on a resolution but warns admins not to expect a solution until “the 2019 timeframe”. Considering the share of problems still surrounding the latest Windows 10 October 2018 Update, it will be advisable for users to wait a bit before installing a fresh new OS update. Source: Microsoft, ZDNet