Perian plug in crashing FCS2...

Hello,

Can't finish exporting a project as the perian plug in keeps crashing FCS2, any suggestions to fix?

Here is the first part of message:

Process: Final Cut Pro [347]
Path: /Applications/Final Cut Pro.app/Contents/MacOS/Final Cut Pro
Identifier: com.apple.FinalCutPro
Version: 7.0.3 (7.0.3)
Build Info: FCPApp-1008261348~8
Code Type: X86 (Native)
Parent Process: launchd [98]

PlugIn Path: /Users/rorymells/Library/QuickTime/Perian.component/Contents/MacOS/Perian
PlugIn Identifier: org.perian.Perian
PlugIn Version: 1.2.3 (1.2.3)

Date/Time: 2013-10-11 23:06:10.168 -0600
OS Version: Mac OS X 10.6.8 (10K549)
Report Version: 6

Interval Since Last Report: 212770 sec
Crashes Since Last Report: 2
Per-App Interval Since Last Report: 553112 sec
Per-App Crashes Since Last Report: 2
Anonymous UUID: A5615AE8-E498-4E70-BE81-4B93305A8E89

Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000af8
Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Thread 0 Crashed: Dispatch queue: com.apple.main-thread
0 org.perian.Perian 0x4931c8b9 decode_nal_units + 2345