My itunes wont work. I keep getting this Problem signature: Problem Event Name: BEX Application Name: iTunes.exe Application Version: 10.7.0.21 Application Timestamp: 504d85d9 Fault Module Name: QuickTime.qts_unloaded Fault Module Version: 0.0

My itunes usnt working. I keep getting this message.

Problem signature:

Problem Event Name: BEX

Application Name: iTunes.exe

Application Version: 10.7.0.21

Application Timestamp: 504d85d9

Fault Module Name: QuickTime.qts_unloaded

Fault Module Version: 0.0.0.0

Fault Module Timestamp: 4f8f8a5b

Exception Offset: 70be1040

Exception Code: c0000005

Exception Data: 00000008

OS Version: 6.0.6002.2.2.0.768.3

Locale ID: 1033

Additional Information 1: b9b5

Additional Information 2: 063aa4ebde4a7a45f8c482e6ed282861

Additional Information 3: b251

Additional Information 4: 0639314542445d4694fa87cff3be7aa4