Eagle 7.1 Crashing

My eagle 7.1 crashing when i use Move button. here is the scenario.

I Click one Move Button, then iam clicking on component to move, its coming below Crash report(Iam using Windows 7 OS). please suggest

Problem signature:

Problem Event Name: APPCRASH

Application Name: eagle.exe

Application Version: 0.0.0.0

Application Timestamp: 53e501a1

Fault Module Name: eagle.exe

Fault Module Version: 0.0.0.0

Fault Module Timestamp: 53e501a1

Exception Code: c0000005

Exception Offset: 00115d46

OS Version: 6.1.7600.2.0.0.256.4

Locale ID: 1033

Additional Information 1: 0a9e

Additional Information 2: 0a9e372d3b4ad19135b953a78882e789

Additional Information 3: 0a9e

Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

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