Openshot crashes when adding video to timeline

Openshot video editor opens up but as soon as I add a video to the timeline, the system hangs and freezes for about a minute, then Openshot closes by itself. I tried this multiple times still same result. The format of the video was .mkv

ProblemType: Bug
DistroRelease: elementary OS 0.2
Package: elementary-desktop 1.284-0~355~precise1 [origin: LP-PPA-elementary-os-daily]
ProcVersionSignature: Ubuntu 3.2.0-32.51-generic 3.2.30
Uname: Linux 3.2.0-32-generic x86_64
ApportVersion: 2.0.1-0ubuntu15
Architecture: amd64
CrashDB: elementary_meta
Date: Wed Nov 14 15:21:49 2012
InstallationMedia: elementary OS 0.2 "Luna" - Beta 1 amd64 (20121114)
MarkForUpload: True
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: elementary-meta
SuspiciousXErrors:

ThirdParty: True
UpgradeStatus: No upgrade log present (probably fresh install)