Microsoft small business knowledge base

Article ID: 2001347 - Last Review: August 28, 2009 - Revision: 3.0


Your Windows 7 computer may have recorded in the Microsoft Windows Kernel-EventTracing log, an event with EventID 3 and Level of "Error". The description reads, "Session "ReadyBoot" stopped due to the following error: 0xC0000188". You may also see this error listed in the Overview and Summary page upon opening Event Viewer.


The logging of this error will not affect the operation of your computer.  ReadyBoot is used by the ReadyBoost service that optimizes the boot time of your computer to a minimum.

Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use ( for other considerations.

  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
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