Currently Being ModeratedNov 20, 2012 5:52 AM (in response to AHF)
Stop using the computer for other things while Log & Capturing.
If it still happens there can be a number of other issues -
1. dirty heads.
2. discontinuous time code or a seqment without timecode
3. a flakey firewire cord/connection
4. bad luck.
also, usually we describe moving material from the camera to the computer as downloading. Uploading is pushing material from the computer to other destinations (e.g. Vimeo, YouTube, etc).