Users can select ctrl + z while playing in Editor causing PIE to stop and undo last change, often freezing the editor temporarily, and sometimes causing a crash.

Workaround: This does not occur if user saves project before PIE

Steps to Reproduce

1. In UE 4.11 Preview, open blank third person project
2. delete random object (ie cube)
3. PIE in New Editor Window
4. Ctrl + Z
RESULT: PIE ends abruptly and previously deleted object is un-deleted
EXPECTED: PIE to not be affected by ctrl + z

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Affects Versions4.104.11
Target Fix4.11
Fix Commit2843653
Main Commit2851481
Release Commit2870008
CreatedJan 20, 2016
ResolvedJan 26, 2016
UpdatedJun 15, 2016
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