Hi, it could be that there is a corrupt recording that is blocking the others.  I would suggest first moving or deleting old files for past runs - these are stored on your computer in the following locations:

Windows:
C:\Users\[username]\AppData\Roaming\GARMIN\Devices\[device ID]\History
C:\Users\[username]\AppData\Roaming\GARMIN\Devices\[device ID]\Activities

Mac:
Macintosh HD/Users/username/Library/Application Support/Garmin/Devices/[device id]/History
Macintosh HD/Users/username/Library/Application Support/Garmin/Devices/[device id]/Activities

In the locations above, items in brackets "[ ]" would be replaced with your actual user name and device ID number.

On Windows computers, the application data folders are hidden by default and you will need to enable the viewing of hidden files in your folder options before you will be able to see these items (select Options, View, Show Hidden Files, Folders and Drives).

You need to move all .tcx and .fit the files in these folders to another location or delete them if you don't want to keep your history.

If this doesn't help, let me know and I'll try to help further.

John

Hi,  I'm having trouble uploading from a 610. I've downloaded and installed communicator and it recognises my device but after that it displays as the pic I've added.

Does anyone have any advice please?

Many thanks in advance :-)