NPC Vivenne unresponsive

The NPC for one of the Lv 35 tradecraft leves is unresponsive on Excalibur. It seems to be affecting everyone in the server, and two others have just filed in-game bug reports.

Time:4:53pm BST
Frequency: Constant
World name: Excalibur
Character name: Adol Cristin
NPC name: Vivenne
Class/Level: Leatherworker/ 38
Party or solo: Solo
In-game time: 11:45am
Area and coordinates: Coerthas Central Highlands (26,28)
Steps:
1. Attempt to interact with the NPC Vivenne.
2. Cry.
3. Attempt to interact with the NPC Vivenne some more.

PC Specs
-=-=-=-=- System Information -=-=-=-=-
SYSTEM_OS Windows 7 Home Premium 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.130318-1533)
SYSTEM_CPU Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz (4 CPUs), ~3.3GHz
SYSTEM_CORE_NUM SYSTEM_CORE_LOGIC 4 SYSTEM_CORE_PHYSICS 4
SYSTEM_BIOS BIOS Date: 08/23/11 14:27:51 Ver: 04.06.04
SYSTEM_LANGUAGE English (Regional Setting: English)
SYSTEM_MEMORY 8174.633MB
SYSTEM_VIRTUAL_MEMORY 2047.875MB
SYSTEM_PAGE_FILE 16347.449MB
SYSTEM_STORAGE C:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 465.662GB SYSTEM_FREEDISC_SPACE 125.676GB
SYSTEM_DIRECTX_VERSION DirectX 11
SYSTEM_GRAPHICS AMD Radeon HD 7800 Series
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY1
SYSTEM_GRAPHICS_CHIP AMD Radeon Graphics Processor (0x6818)
SYSTEM_GRAPHICS_MAKER Advanced Micro Devices, Inc.
SYSTEM_GRAPHICS_VRAM 2030.195 MB
SYSTEM_GRAPHICS_SHARED_VRAM 3831.316 MB
SYSTEM_GRAPHICS_DAC Internal DAC(400MHz)
SYSTEM_GRAPHICS_DISPLAY_MODE 1920 x 1080 (32 bit) (59Hz)
SYSTEM_GRAPHICS_DRIVER aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
SYSTEM_GRAPHICS_DRIVER_VERSION 8.17.0010.1191
SYSTEM_GRAPHICS_DRIVER_DATE 29/03/2013 03:37:02
SYSTEM_GRAPHICS_DRIVER_LANGUAGE English
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_SOUND Speakers (Realtek High Definition Audio)
SYSTEM_SOUND_DEVICE_ID {B7F5165C-B8DE-4620-8300-AB2131E67680}
SYSTEM_SOUND_DEVICE_NAME RTKVHD64.sys
SYSTEM_SOUND_DRIVER_VERSION 6.00.0001.6278
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 30/12/2010 04:59:18
SYSTEM_SOUND 1 - MTC26T42 (2- AMD High Definition Audio Device)
SYSTEM_SOUND_DEVICE_ID {4C19A0FB-DAFE-4BAF-9BA9-C4A1B9940B16}
SYSTEM_SOUND_DEVICE_NAME AtihdW76.sys
SYSTEM_SOUND_DRIVER_VERSION 7.12.0000.7714
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 14/02/2013 12:41:10
SYSTEM_SOUND Realtek Digital Output (Realtek High Definition Audio)
SYSTEM_SOUND_DEVICE_ID {B5A88C8C-9DFD-4472-90F8-74213072BF0E}
SYSTEM_SOUND_DEVICE_NAME RTKVHD64.sys
SYSTEM_SOUND_DRIVER_VERSION 6.00.0001.6278
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 30/12/2010 04:59:18
SYSTEM_INPUT {6F1D2B60-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 3 SYSTEM_GAMEPAD_BUTTON 5 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {6F1D2B61-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Keyboard
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 128 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {B41C26A0-5BDD-11E2-8001444553540000}
SYSTEM_INPUT_NAME Microsoft Hardware USB Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 4 SYSTEM_GAMEPAD_BUTTON 1025 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {B422DD60-5BDD-11E2-8002444553540000}
SYSTEM_INPUT_NAME G15 Gaming Keyboard
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 7 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {B4257570-5BDD-11E2-8003444553540000}
SYSTEM_INPUT_NAME G15 Gaming Keyboard
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {B4257570-5BDD-11E2-8004444553540000}
SYSTEM_INPUT_NAME G15 GamePanel LCD
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {C7170E90-5BED-11E2-8005444553540000}
SYSTEM_INPUT_NAME USB Gamepad
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 5 SYSTEM_GAMEPAD_BUTTON 12 SYSTEM_GAMEPAD_FOV 1
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