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Windows 7 system hangs with Endpoint Security Threat Prevention 10.5.x Exploit Prevention enabled
Technical Articles ID:   KB89407
Last Modified:  8/21/2017


McAfee Endpoint Security (ENS) Threat Prevention 10.5.x
Microsoft Windows 7


With ENS Threat Prevention 10.5.x installed and Exploit Prevention enabled, the Windows 7 system hangs and the user is unable to log in. This issue can occur immediately after installing ENS Threat Prevention, or it might occur later (for example, after a few weeks).


There is a lock on a thread that is involved in an Exploit Prevention call.


This issue is resolved in ENS 10.5.1 Hotfix 2.

McAfee product software, upgrades, maintenance releases, and documentation are available from the Product Downloads site at: http://www.mcafee.com/us/downloads/downloads.aspx.

NOTE: You need a valid Grant Number for access. KB56057 provides additional information about the Product Downloads site, and alternate locations for some products.


Disable Exploit Prevention:
  1. Log on to the ePolicy Orchestrator console.
  2. Click Menu, Policy, Policy Catalog.
  3. Select Endpoint Security Threat Prevention from the Product drop-down list.
  4. Select Exploit Prevention from the Category drop-down list.
  5. Click the policy.
  6. Deselect Enable Exploit Prevention.
  7. Click Save.
  8. Perform an agent wake-up call to apply the policy to systems.

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