UE-Version: 4.9.1 (Launcher)
OS: Windows 10 64-bit
Well, this happened. Having any Blueprint from the Engine Content open causes a missing Blueprint in Index notification and then shortly afterwards the engine starts eating all memory, available i/o time and gpu time. In short, it crashes the system it runs on, forcing you to press the reset button if you aren’t fast enough with killing the process.
We have not heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you are still experiencing the issue you reported, please respond to this message with additional information and we will offer further assistance.