My Facebook has been running extremely sluggish for concerning a month at this moment. Following reading several Google deliberations connected to Facebook sluggishness, I exposed a thread conversing the LinkScanner part of AVG. Following several rapid testing, I have established that if I barely put out of action the Search-Shield preference of the AVG LinkScanner module, my Facebook act proceeds to usual. I have a free edition of AVG 2011 and LinkScanner version 588. The system is running Windows 7 (64-bit) on top of an Intel Core i5 CPU.