Stop error 0xAB when you log off a Windows Server 2012 session

Stop error 0xAB when you log off a Windows Server 2012 session 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: SESSIONHASVALIDPOOLONEXIT ab Important If...

2018-03 Security Monthly Quality Rollup for Windows Embedded 8 Standard for x86-based Systems (KB4088877)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...