nt4 memory issues

I have written a VB.NET application and have been running it and testing it in windows 2000. I recently tried it in windows NT and it runs for a while but then all of a sudden it completely dissapears. I think this is a memory issue as i changed some of the code around and there is no particuar piece of code that it crashes on. While running it i have had task manager open and when the app reaches around the 15,000 K memory usage mark the program dissapears. This is perculiar because i have tried opening ms word and making it go over 15,000 K and it was ok.
any help would be appreciated.

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Am not too sure about VB.NET application running on NT4... Will check whether this is indeed possible...

By the way..did you check your event logs... if anything may have been log?
aids_at_workAuthor Commented:
here is the event log:

The description for Event ID ( 4104 ) in Source ( Transaction Server ) could not be found. It contains the following insertion string(s):      (IID: {208B3651-2B48-11CF-BE10-00AA00A2FA25}) (Method: 3)  (Microsoft Transaction Server Internals Information: File: i:\viperqfe\src\resdisp\mtxdm\cholder.cpp, Line: 153) (Exception: C0000005) (Address: 0x77f6ce4c)
ntdll!_RtlpWaitForCriticalSection@4 + 0x95
ntdll!_RtlEnterCriticalSection@4 + 0x46
SQLWNTM + 0x52201
SQLWNTM + 0x50D05
SQLWNTM + 0x367D0
SQLWNTM + 0x4B327
SQLWNTM + 0x4680E
SQLWNTM + 0x36523
SQLWNTM!sqlcch + 0x80
c2gup14!GupConnection::connectLogon(void) + 0x196
aids_at_workAuthor Commented:
I installed the latest odbc driver and that seemed to fix the problem
PAQed, with points refunded (125)

ee_ai_construct - (re-order part number #xm34)
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