I have already done everything suggested in the first 3 answers, and it works sometimes but not very much. I am back online now after tweaking a bunch of stuff and disabling some 3D Services. Still have NO idea what is going on. I have cleared Cache manually. installed and tweaked drivers and settings. rebooted 100 times, wiggled my nose and nothing works consistently. all of those things have worked at least once. I have an NVIDA GForce Graphics card w/ latest Drivers. Windows7 64bit Intel i7 3.2 Gz processor with 6 cores, 32gb ram. This has been going on for months now and I am becoming very frustrated. THIS IS HOW YOU LOSS CUSTOMERS. Here is some stuff from the event log. The program SecondLife.exe version 3.5.0.11300 stopped interacting with Windows and was closed. To see if more information about the problem is available, check the problem history in the Action Center control panel. Process ID: 2228 Start Time: 01ce385f1eda16e1 Termination Time: 11 Application Path: D:\Program Files (x86)\SecondLifeViewer\SecondLife.exe Report Id: 835d19ca-a453-11e2-8e82-c86000cb2747 -System -Provider [ Name]Application Hang -EventID1002 [ Qualifiers]0 Level2 Task101 Keywords0x80000000000000 -TimeCreated [ SystemTime]2013-04-13T16:02:23.000000000Z EventRecordID25684 ChannelApplication ComputerHome Security-EventData SecondLife.exe 3.5.0.11300 2228 01ce385f1eda16e1 11 D:\Program Files (x86)\SecondLifeViewer\SecondLife.exe 835d19ca-a453-11e2-8e82-c86000cb2747 55006E006B006E006F0077006E0000000000Binary data: In Words 0000: 006E0055 006E006B 0077006F 0000006E 0008: 0000 In Bytes 0000: 55 00 6E 00 6B 00 6E 00 U.n.k.n. 0008: 6F 00 77 00 6E 00 00 00 o.w.n... 0010: 00 00