Using Quicktime version 7.7.4

File properties:
General
Complete name : C:\Users\Shawn\Videos\Bike\edit.mov
Format : MPEG-4
Format profile : QuickTime
Codec ID : qt
File size : 2.22 GiB
Duration : 2mn 28s
Overall bit rate mode : Variable
Overall bit rate : 128 Mbps
Encoded date : UTC 2013-09-15 22:42:55
Tagged date : UTC 2013-09-15 22:45:11
Writing library : Apple QuickTime

Video
ID : 1
Format : ProRes
Format version : Version 0
Codec ID : apcn
Duration : 2mn 28s
Bit rate mode : Variable
Bit rate : 121 Mbps
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 59.940 fps
Color space : YUV
Chroma subsampling : 4:2:2
Scan type : Progressive
Bits/(Pixel*Frame) : 2.198
Stream size : 2.10 GiB (95%)
Title : Core Media Video
Writing library : Apple
Encoded date : UTC 2013-09-15 22:42:55
Tagged date : UTC 2013-09-15 22:45:11
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
matrix_coefficients_Original : BT.709

Audio
ID : 2
Format : PCM
Format settings, Endianness : Little
Format settings, Sign : Signed
Codec ID : lpcm
Duration : 2mn 28s
Bit rate mode : Constant
Bit rate : 6 912 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Stream size : 122 MiB (5%)
Title : Core Media Audio
Encoded date : UTC 2013-09-15 22:42:55
Tagged date : UTC 2013-09-15 22:45:11

Other
ID : 3
Type : Time code
Format : QuickTime TC
Duration : 2mn 28s
Time code of first frame : 00:00:00:00
Time code settings : Striped
Title : Core Media Time Code
Encoded date : UTC 2013-09-15 22:42:55
Tagged date : UTC 2013-09-15 22:45:11

Turn off GPU.
If that fails, try rolling back to QT 7.7.1 and disable auto update.

GPU? Not quite sure what you're referring to. Not the graphics processing unit, right? Wouldn't that disable the screen from displaying images?