Optional Windows update KB3107998 removes Lenovo USB Blocker tool

AmazonMicrosoft has released yesterday also an optional update KB3107998 for Lenovo devices. Update KB3107998 removes Lenovo USB Blocker Version, due to system crashes.


I was contacted yesterday about this update from a German user. At the time, Microsoft released this update, no further details was available. Searching the web indicating, that no further details was available. I only found a hint, that the update has something to do with Lenovo devices to prevent a system crash. Later on this night I found out, that the optional update is provides for several Windows versions:

  • Windows Server 2012 R2
  • Windows 8.1
  • Windows RT 8.1
  • Windows Server 2012
  • Windows 8
  • Windows RT
  • Windows Server 2008 R2 Service Pack 1 (SP1)
  • Windows 7 SP1

Update KB3107998 removes Lenovo USB Blocker version, to fix a problem that occurs after you install October 2015 security update for Windows Kernel (3088195) on a Windows-based computer. Lenovo's USB Blocker tool is typical crapware shipped by OEM vendors. It should block access to USB storage media (thumb drives, hard disks) until the user enters a password. The problem: Such tools tend to collide with kernel patches. After installing KB3088195, Lenovo systems crashes with a message (see here). :

Your PC ran into a problem and needs to restart. We're just collecting some error information, and then you can restart.

(Source: Lenovo)

Microsoft identified Lenovo's USB blocker version as a root cause (see also this Lenovo support article). In case you are in need for the removed tool, please contact Lenovo for a fixed version. But my 2 cents: Stay with a cleaned system that don't contain this Lenovo crapware.

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2 Responses to Optional Windows update KB3107998 removes Lenovo USB Blocker tool

  1. Günter Born says:

    But the patch is also offered for non Lenovo machines … don't know why.

  2. Nancy says:

    itechlounge.net – Windows Server 2012 General the computer restarted unexpectedly

    MS-Answers forum

    Technet forum

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