Guild Wars 2

Been happening allot lately, but I have been crashing in-game. Anyone can help me with this? Here is crash notes:

—> Crash <—
Assertion: A file was corrupted in the archive. Please run once with ‘-repair’!
File: ..\..\..\Game\Main\MainCli.cpp(588)
App: Gw2.exe
Pid: 5740
Cmdline:
BaseAddr: 00400000
ProgramId: 101
Build: 23738
When: 2013-09-20T03:32:28Z 2013-09-19T23:32:28-04:00
Uptime: 0 days 0:18:55
Flags: 0

—> System <—
Name: SBERLINGER-PC
IpAddr: 192.168.1.7
Processors: 4 [GenuineIntel:6:10:7]
OSVersion: Windows 6.1 (64 bit)

—> System Memory <—
Physical: 11714MB/16356MB 71%
Paged: 27624MB/32711MB 84%
Virtual: 1628MB/ 4095MB 39%
Load: 28%
CommitTotal: 5087MB
CommitLimit: 32711MB
CommitPeak: 5173MB
SystemCache: 3423MB
HandleCount: 29843
ProcessCount: 89
ThreadCount: 1135

—> Process Memory <—
Private: 1974MB
WorkingSet: 1852MB
PeakWorkingSet: 1858MB
PageFaults: 3632855

—> Game Context <—
MapId: 50
Flags: 0×241
ElapsedTime: 00:14:27

—> World State <—
<WorldState BufferCapacity=“71615648” BufferUsed=“67247658” DrawCalls=“1853” Fps=“53” EffectLights=“0” Lights=“72” Materials=“702” Particles=“4539” Submodels=“1852” TextureLoadsPending=“29” TextureMemory=“686140556” Triangles=“1361093” VerticesSoftwareTransformed=“0” VideoMemoryTotal=“187994750” CameraPos=“-2956.15, 10237.3, -234.592” CameraFwd=“0.813876, -0.496659, 0.301556” MapName=“wZY+N.PVPAc” MapNamespace=“wRDh/” MapSector=“IJwR+.h7pEN” MapType=“Public” MapFloor=“1” MapId=“50” MapTimeOfDay=“1.000000” PlayerFacing=“0.998821, -0.0485357, 0” PlayerPos=“-2874.76, 10187.7, -151.936” PlayerVelocity=“0, 0, -0” />

[DbgHelp.dll is C:\Windows\system32\dbghelp.dll]
[DbgHelp.dll version 6.1.7601.17514 (64/32-bit compatible)]

—> ClientContextThreadProc Thread 0×17b8 <—

—> DirectX Device Info <—
VendorId = 0×10de
DeviceId = 0×1200
Version = 9.18.0013.2723
Description = NVIDIA GeForce GTX 560 Ti
Compat = 0×00100800