Crashes at launch

[bartrulz]

for some reason the game is crashing at launch it was working a few days ago here is the windows 7 crash log

Problem Event Name: APPCRASH
Application Name: bioshock.exe
Application Version: 1.0.0.0
Application Timestamp: 474f5a3a
Fault Module Name: OLEAUT32.dll
Fault Module Version: 6.1.7600.16385
Fault Module Timestamp: 4a5bdaca
Exception Code: c0000005
Exception Offset: 00004971
OS Version: 6.1.7600.2.0.0.768.3
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

any help?

[bartrulz]

never mind i found out that for some reason as long as my headphones are plugged in it will run.