Photoshop appcrash

Hello,
my photoshop not working "Close The Program" Error occurs when i start the software.i have tried every thing done clt+alt+shif ; repaired it ;reinstalled it; check the printer settings,no solution.It was fine it yesterday i have worked on it and today i m stucked with this problem please help its urgent...?:(
i have windows 7 ultimate.

Problem details are :
Problem signature:
Problem Event Name: APPCRASH
Application Name: Photoshop.exe
Application Version: 10.0.0.0
Application Timestamp: 4601eae8
Fault Module Name: MSVCR80.dll
Fault Module Version: 8.0.50727.4927
Fault Module Timestamp: 4a2752ff
Exception Code: c0000005
Exception Offset: 00014500
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789