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This page is no longer being updated. Please refer to the Knowledge Base to view the most updated information


We've recently discovered that recent security update KB3087985 for Windows XML core services that was released to Windows 7 Clients on August 11, 2015 is affecting the Endpoint Protection client during a full scan causing the full scan to stall. The results of the scan stalling have varied by client but include:

  • Delays or timeouts in accessing files directly via a Network File Share (Ex for Missouri State: Bear1 or Sabrina, etc.)
  • Any files downloaded via Internet Explorer are getting stuck on a Security Scan during the download process.
  • Issues with browsing from Internet Explorer.
  • Instability in other applications that rely on a network file share to function.

For Support Specialist, we notice event errors in the System Log of an affected workstation: “A timeout (30000 milliseconds) was reached while waiting for a transaction response from the MsMpSvc Service." Event 7011.


Microsoft has release an official update via Windows Updates but can be manually installed from the following KB article if needed:

Reference Articles:

For questions or comments, contact the Computer Services Help Desk