Symptoms
After you install security update KB 4089344, 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
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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.
How to obtain and install the update
Microsoft Update Catalog
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
