Guild Wars 2

I’ve been getting black screens disconnects randomly since the DB patch. It happens even on low populated maps.

System information
OS Name Microsoft Windows 7 Home Premium
Version 6.1.7601 Service Pack 1 Build 7601
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name
System Manufacturer TOSHIBA
System Model Qosmio X505
System Type x64-based PC
Processor Intel® Core™ i7 CPU Q 740 @ 1.73GHz, 1734 Mhz, 4 Core(s), 8 Logical Processor(s)
BIOS Version/Date TOSHIBA V2.90, 12/10/2010
SMBIOS Version 2.6
Windows Directory C:\windows
System Directory C:\windows\system32
Boot Device \Device\HarddiskVolume1
Locale United States
Hardware Abstraction Layer Version = “6.1.7601.17514”
User Name
Time Zone Eastern Daylight Time
Installed Physical Memory (RAM) 4.00 GB
Total Physical Memory 3.99 GB
Available Physical Memory 1.96 GB
Total Virtual Memory 7.98 GB
Available Virtual Memory 5.75 GB
Page File Space 3.99 GB
Page File C:\pagefile.sys

Firewalls are turned off on router and windows.
Tried turning off anti virus during game.
Deleted local data file
did memory test
reinstall game
Disk cleanup
update GFX driver
Error when I try to create a “Guild Wars 2 Diagnostic” file.

Posting this in tech support too.