Diablo® III

This ^^ sometimes the connection will time out and I get a 3007 error, other times the client freezes. If I click cancel I can no longer alt/tab out and my computer crashes.

I have tried clearing cache.

Here are my specs:

Model Name: iMac
Model Identifier: iMac12,2
Processor Name: Intel Core i5
Processor Speed: 2.7 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 6 MB
Memory: 4 GB
Boot ROM Version: IM121.0047.B1F
SMC Version (system): 1.72f2
Serial Number (system):
Hardware UUID: F5827371-0C16-58D7-956E-F154D33CDF10

Chipset Model: AMD Radeon HD 6770M
Type: GPU
Bus: PCIe
PCIe Lane Width: x16
VRAM (Total): 512 MB
Vendor: ATI (0x1002)
Device ID: 0x6740
Revision ID: 0x0000
ROM Revision: 113-C0170F-170
EFI Driver Version: 01.00.544
Displays:
iMac:
Resolution: 2560 x 1440
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Built-In: Yes
Connection Type: DisplayPort

System Version: Mac OS X 10.7.3 (11D50d)
Kernel Version: Darwin 11.3.0
Boot Volume: Macintosh HD
Boot Mode: Normal
Computer Name:
User Name:
Secure Virtual Memory: Enabled
64-bit Kernel and Extensions: Yes
Time since boot: 2:31