Microsoft is rolling out a new Cumulative Update KB4457139 for Windows 7 users. The update is offered as optional but will be pushed out as part of the monthly update the company rolls out in October.
The latest Cumulative Update is a bug fixing update which comes with fixes for the memory leak issue with multilingual UI calls the LoadString API. The update also addresses the issue with evaluating the compatibility status of the Windows ecosystem for all updates to Windows.
The update also fixes an issue in which all Guest Virtual Machines running Unicast NLB failed to respond after the Virtual Machines restart.
“Addresses an issue with evaluating the compatibility status of the Windows ecosystem to help ensure application and device compatibility for all updates to Windows,” Microsoft explains.
There are also a couple of known issues which has been provided by Microsoft which should be kept in mind before installing the update.
- The cumulative update KB4457139 requires the latest Servicing Stack Update to be already installed on the system.
- The network interface controller may stop working on some client software configurations due to a missing file, oem.inf. As a workaround, you need to locate your network device via devmgmt.msc and scan hardware changes.
“After you apply this update, the network interface controller may stop working on some client software configurations. This occurs because of an issue related to a missing file, oem.inf. The exact problematic configurations are currently unknown,” Microsoft says.
This update is a preview of the monthly roll up which will be pushed out to all Windows 7 user as part of the October 2018 update. The latest cumulative update for Windows 7 users is currently rolling out and you can get it by going to Settings>Update & Security>Windows Update.