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Symptoms

After you install Monthly Rollup KB4088877 or Security-only update KB 4088880, you receive a Stop error 0xAB error message that resembles the following when you log off the computer:

SESSION_HAS_VALID_POOL_ON_EXIT (ab)

Important

  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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