Not enough Memory (Event code: 0x00040006)

I recently upgraded from XP to Win 7 and I'm backing up to the cloud. I now get the following error everyday. 'Not enough memory to complete operation'. Any advice to correct?

1 Information 5/11/2014 9:25:57 AM Operation XXX-DESKTOP started by schedule.
2 Information 5/11/2014 9:25:57 AM Operation description: Stage Description.
3 Information 5/11/2014 9:26:05 AM Priority changed to Low.
4 True Image 5/11/2014 9:27:02 AM Not enough memory to complete the operation.
5 Information 5/11/2014 9:27:02 AM Source folder: C:\Users\XXX\Documents\, number of changed files: 35
6 Warning 5/11/2014 9:27:02 AM Operation has been aborted.
7 True Image 5/11/2014 9:27:02 AM Not enough memory to complete the operation.
8 True Image 5/11/2014 9:27:06 AM Operation has completed with errors.

Event code: 0x00040006