I also encounter same problem for the last few days. I think it's tm or unifi issue.
Tips to reduce screen lag which also effects your latency cause of freeze.

Disable anti virus - texture files loading are being scan by anti virus
Buy ssd hard drive or
Install / copy whole folder to another physical drive. You must have 2 drive and not 1 drive partition into 2. Basically different drive from windows. Same reason cause of texture loading.

SOS


This post has been edited by sohaix: May 28 2013, 12:50 AM