There are too many forces acting against the freezing of settlements. In practical terms they can't be frozen. Settlements are a side issue, a reason for the Palestinians to avoid negotiating. The settlements are just a manifestation the fact that there is no agreement on borders. And if you can't get agreement on borders then the dispute goes on and on and on.
Pakistan air strikes against Taliban kill at least 25 (Reuters)
from the article: Israel: Palestinians to blame for stalled peace talks