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System hangs at startup
Technical Articles ID:   KB87281
Last Modified:  9/8/2016
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Environment

McAfee Endpoint Security 10.1.1
McAfee VirusScan Enterprise (VSE) 8.8 Patch 7

Problem

An affected system will not complete the startup sequence. You may see the Please wait screen, but the system does not start.

This issue should not be confused with a slow startup symptom.

An affected system may also hang when launching third-party applications or accessing files.
 

Cause

An interaction between FileInfo.sys (the Prefetch driver) and McAfee code leads to a deadlock between threads that are waiting on one another.

Solution

This issue is resolved in Endpoint Security 10.2.0, which is available from the Product Downloads site at: http://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.

Updates are cumulative; Technical Support recommends that you install the latest one.

Solution

This issue is resolved in Endpoint Security 10.1.2, which is available from the Product Downloads site at: http://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.

Updates are cumulative; Technical Support recommends that you install the latest one.

Solution

This issue is resolved in VSE 8.8 Patch 8.

Updates are available when you log on to the ServicePortal at: https://support.mcafee.com/downloads.

Workaround

Disabling the Prefetch startup operations will avoid the deadlock.

For information about disabling Prefetch, see:
https://msdn.microsoft.com/en-us/library/ms940847(v=winembedded.5).aspx

NOTE: It is not advisable to disable Prefetch for all systems because some hardware may be adversely affected (slow performance, especially at startup).

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