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I have those few lines of code causing a crash and I can't figure out why:

DynamicModule[{openNothing}, EventHandler[ Panel@Row@{ Button["Built In Funct", openNothing[]]}, {}], Initialization :> (openNothing[] := (Input["bla", 1];))]

Mathematica freezes for a few seconds and then says:

The kernel is not responding to a Dynamic Evaluation. [...]

WARNING: It did make Mathematica not responding at all. After the force quit the list of the recently opened notebooks were removed (I assume that the ~/.Mathematica/FrontEnd/init.m has been removed.)

I'm on Fedora 19, Mathematica 8.0.4. The same issue has been noticed under Windows 7, Mathematica 9.

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Try this 

DynamicModule[{openNothing}, Dynamic@Panel@ Row@{Button["Built In Funct", openNothing[], Method -> "Queued"]}, Initialization :> (openNothing[] := (Input["bla", 1];))]
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    $\begingroup$ Read the docs on the "Queued" Method. Also you dont realky need EventHandler. $\endgroup$ Commented Oct 2, 2013 at 18:18

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