**System Information**
Operating system and graphics card
win 7 ultimate - 64 bits
i5 CPU - 16GB ram mem
**Blender Version**
Broken: ver 2.70 hash 19e627c
**Short description of error**
blender sculpt mode brush dynamic topology crash
**Exact steps for others to reproduce the error**
Based on a (as simple as possible) attached .blend file with minimum amount of steps
download a fresh 2.70 and installing it.
start bender and cick splash.
select sculpt mode.
choose F Brush (or default).
at brush tools Topology hiting Enable Dynamic.
....
then (instantly) bender disapears. with default cube or any model.