Why does my Mobility Client for Blue Coat Cloud show "Tampering Detected"

Solutions ID:    KB4450
Version:    2.0
Status:    Published
Published date:    06/23/2011
Updated:    11/11/2011

Problem Description

You want to know why your Mobility Client is showing "Tampering Detected"



The Mobility Client has been specifically designed to prevent users from bypassing the Cloud Service.

If the Mobility Client detects one of the following changes to the local computer configuration, it will enter tamper detect mode and the user will be unable to access the Internet:

  1. Explicit proxy settings entered into the Web Browser, including any PAC file
  2. Any entries in the HOSTS file which relate to the threat pulse service (e.g:

This behavior is by design. To bypass this feature, you can re-install the Mobility client from the windows command line, for example:

C:\>ClientInstaller64-1.3.1500.408516.msi TPE=0

(where TPE=0 disables the "Tampering Detection" feature)

More information can be found in the online documentation:


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