I collected a dump file of the crash if your interested... win 8 64bit


FIRST THE HANG ON EXIT

Log Name: Application
Source: Application Hang
Date: 1/31/2013 1:07:12 PM
Event ID: 1002
Task Category: (101)
Level: Error
Keywords: Classic
User: N/A
Computer: *****
Description:
The program MaxKO.exe version 2.3.11.1718 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: 21a4
Start Time: 01cdffdcc274d603
Termination Time: 31
Application Path: C:\Program Files (x86)\KnightOnline\MaxKO Expansion\MaxKO.exe
Report Id: 068bd6f2-6bd1-11e2-be9a-001e8c0864c4
Faulting package full name:
Faulting package-relative application ID:

Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Application Hang" />
<EventID Qualifiers="0">1002</EventID>
<Level>2</Level>
<Task>101</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2013-01-31T18:07:12.000000000Z" />
<EventRecordID>9526</EventRecordID>
<Channel>Application</Channel>
<Computer>*****</Computer>
<Security />
</System>
<EventData>
<Data>MaxKO.exe</Data>
<Data>2.3.11.1718</Data>
<Data>21a4</Data>
<Data>01cdffdcc274d603</Data>
<Data>31</Data>
<Data>C:\Program Files (x86)\KnightOnline\MaxKO Expansion\MaxKO.exe</Data>
<Data>068bd6f2-6bd1-11e2-be9a-001e8c0864c4</Data>
<Data>
</Data>
<Data>
</Data>
<Binary>430072006F00730073002D0074006800720065006100640000000000</Binary>
</EventData>
</Event>


THEN THE CRASH


Log Name: Application
Source: Application Error
Date: 1/31/2013 1:07:52 PM
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A
Computer: *****
Description:
Faulting application name: MaxKO.exe, version: 2.3.11.1718, time stamp: 0x50a9c7f1
Faulting module name: KERNELBASE.dll, version: 6.2.9200.16451, time stamp: 0x50988950
Exception code: 0xc0000005
Fault offset: 0x00010d23
Faulting process id: 0x1ea8
Faulting application start time: 0x01cdffddd3fb5ac6
Faulting application path: C:\Program Files (x86)\KnightOnline\MaxKO Expansion\MaxKO.exe
Faulting module path: C:\Windows\SYSTEM32\KERNELBASE.dll
Report Id: 20a0f6dc-6bd1-11e2-be9a-001e8c0864c4
Faulting package full name:
Faulting package-relative application ID:
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Application Error" />
<EventID Qualifiers="0">1000</EventID>
<Level>2</Level>
<Task>100</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2013-01-31T18:07:52.000000000Z" />
<EventRecordID>9527</EventRecordID>
<Channel>Application</Channel>
<Computer>*****</Computer>
<Security />
</System>
<EventData>
<Data>MaxKO.exe</Data>
<Data>2.3.11.1718</Data>
<Data>50a9c7f1</Data>
<Data>KERNELBASE.dll</Data>
<Data>6.2.9200.16451</Data>
<Data>50988950</Data>
<Data>c0000005</Data>
<Data>00010d23</Data>
<Data>1ea8</Data>
<Data>01cdffddd3fb5ac6</Data>
<Data>C:\Program Files (x86)\KnightOnline\MaxKO Expansion\MaxKO.exe</Data>
<Data>C:\Windows\SYSTEM32\KERNELBASE.dll</Data>
<Data>20a0f6dc-6bd1-11e2-be9a-001e8c0864c4</Data>
<Data>
</Data>
<Data>
</Data>
</EventData>
</Event>

it can be duplicate rows in tbls,did you tryed repatch client?

Yep and that fixed it, thanks