Libreoffice (not responding) 4.1.3 - help

On 2nd use of the day (most days) Libre office freezes, while i’m trying to save files or reopen a 2nd file,
This happens on Calc or Writer.
and can take up to 10 mins to open, close or save a file. The biggest file has been 1770 kb and 11 pages.
The computer has 8 gig Ram and is an i7 running windows 7.

Please try resetting the user profile, sometimes solves strange problems.