Three MOVs here loaded normally in v13.67. Try this 64-bit release.
If no change, go to OPTIONS | ADVANCED tab and in the GPU Video Processor section at the bottom change to None (CPU Only). 
What are your PC's specs: GPU|CPU|RAM?
Did either of the above suggestions solve the issue? If not, please let us see a MOV file or two that demonstrates the problem...
Upload the file/s to a free server, such as Google Drive or MS OneDrive, right-click|Share, copy the link and paste it here or to me in a Private Message via the mail envelope in the top-right corner of this forum. When using Google Drive, if necessary change "restricted" to "anyone with link can view."