Description:
While writing a document or writing a paragraph, during browsing one of the menus or, minimizing the program and using another for no more than 3 hrs, Writer locks up and becomes non-responsive. Sometimes, this might even result in the program closing and then document having to be recovered.

Steps to Reproduce:
1. Use Writer, or pause Writer use without closing program for a while (no more than 3 hrs)
2. Focus on Writer program window again
3. 

Actual Results:
Writer window becomes unresponsive and window becomes greyed out, and top left corner where title of document is listed lists "Writer is not Responding".

Expected Results:
Not become unresponsive 


Reproducible: Sometimes


User Profile Reset: No



Additional Info:
[Information automatically included from LibreOffice]
Locale: en-US
Module: TextDocument
[Information guessed from browser]
OS: Windows (All)
OS is 64bit: no