Please help me.
Auto Cad 2012 work properly for three months and now I can not start AutoCAD 2012.
I am using : Microsoft Windows 7 Ultimate 64-bit.
I got next report :

Problem signature:
Problem Event Name: APPCRASH
Application Name: acad.exe
Application Version:
Application Timestamp: 4e4b6362
Fault Module Name: mfc90u.dll
Fault Module Version: 9.0.30729.4148
Fault Module Timestamp: 4a5967eb
Exception Code: c0000005
Exception Offset: 0000000000015154
OS Version: 6.1.7600.
Locale ID: 1033
Additional Information 1: b753
Additional Information 2: b7533bdde371c74ce2a8ddcf8fb13a44
Additional Information 3: f5ca
Additional Information 4: f5cacfe56a0ff4f8db3f78f7bc619654

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