windows explorer crashes on every start up repeatedly even in safe

[karim74]

kindly help i am in middle of a project
event crash list

Log Name: Application
Source: Application Error
Date: 01-12-2011 09:06:04
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A
Computer: karim74
Description:
Faulting application name: explorer.exe, version: 6.1.7601.17567, time stamp: 0x4d672ee4
Faulting module name: msvcrt.dll, version: 7.0.7600.16385, time stamp: 0x4a5bdfbe
Exception code: 0x40000015
Fault offset: 0x000000000002aa8e
Faulting process id: 0xe34
Faulting application start time: 0x01ccafda582da8a7
Faulting application path: C:\Windows\explorer.exe
Faulting module path: C:\Windows\system32\msvcrt.dll
Report Id: 9829e08d-1bcd-11e1-9dea-005056c00008
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="2011-12-01T03:36:04.000000000Z" />
<EventRecordID>18573</EventRecordID>
<Channel>Application</Channel>
<Computer>karim74</Computer>
<Security />
</System>
<EventData>
<Data>explorer.exe</Data>
<Data>6.1.7601.17567</Data>
<Data>4d672ee4</Data>
<Data>msvcrt.dll</Data>
<Data>7.0.7600.16385</Data>
<Data>4a5bdfbe</Data>
<Data>40000015</Data>
<Data>000000000002aa8e</Data>
<Data>e34</Data>
<Data>01ccafda582da8a7</Data>
<Data>C:\Windows\explorer.exe</Data>
<Data>C:\Windows\system32\msvcrt.dll</Data>
<Data>9829e08d-1bcd-11e1-9dea-005056c00008</Data>
</EventData>
</Event>

the crash report
Problem signature:
Problem Event Name: APPCRASH
Application Name: Explorer.EXE
Application Version: 6.1.7601.17567
Application Timestamp: 4d672ee4
Fault Module Name: msvcrt.dll
Fault Module Version: 7.0.7600.16385
Fault Module Timestamp: 4a5bdfbe
Exception Code: 40000015
Exception Offset: 000000000002aa8e
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 16393
Additional Information 1: 4e74
Additional Information 2: 4e74fc60ee483532d45967361a8c8dbd
Additional Information 3: ae54
Additional Information 4: ae54fc18fa12e1a87a6d1740f64e2d38

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[Dinesh]

Download Process Explorer and check which sub-processes and threads are running under Explorer.exe.