C Help with Error Expression nptr!=null - [Revised]

[C] Help with Error Expression nptr!=null - [Revised] - Printable Version

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Help with Error Expression nptr!=null - [Revised] - jessman420 - Apr 30, 2013

Revised ...

Perhaps I am asking for too much help, sorry if this is the case. Instead of helping me debug the entire source, maybe you can tell how to find what causes that type of error. I tried running it in debug overnight and it didn't show any errors, but it stopped visiting my url also.

End of Revision...

I have an app that I modified that runs perfectly, but after some time I get this debug assertion error expression nptr!=null. This occurs after running for about 6 hours.

This is not my source, I left the original credits in place. VertexNet has a nice panel, but the downloader needed static paths, like C:\\test.exe, and this version supports environmental variables and the keylogger works.

I thought it would nice to make a custom version that I could add functions to.

Here is the app crash log and it was running on windows 7 x64.

Memory usage was stable at about 4200k.

Code 
Problem signature:

  Problem Event Name:    BEX

  Application Name:    svchost.exe

  Application Version:    0.0.0.0

  Application Timestamp:    517edbfb

  Fault Module Name:    MSVCR100.dll

  Fault Module Version:    10.0.40219.325

  Fault Module Timestamp:    4df2be1e

  Exception Offset:    0008af3e

  Exception Code:    c0000417

  Exception Data:    00

  OS Version:    6.1.7600.2.0.0.256.1

  Locale ID:    1033

  Additional Information 1:    f3d0

  Additional Information 2:    f3d0cb1939d55fa2d2e86e59d2e0a4f7

  Additional Information 3:    7161

  Additional Information 4:    716110750ab474e25d49fecab191687f

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What is the best way to find what cause this.

It is a win32 application that is compiled in VS2010. It is a http bot that connects to the vertexnet panel that I got from another site, that I modified from a console to a win32 application and added some error handling for the cmd parameters.

Here is the project source only no binaries. Both rar archives have the same pass: hackforums

Bot Project

Code 
http://www.mediafire.com/?hxwnjyphd0aif73

Panel

Code 
http://www.mediafire.com/?4sq2b6vyfh3plfp

For initial setup add the vertexnet.sql file and import.

Add your sql data in web panel\inc\connection.inc.php

Default login and pass is root|toor

Any help or suggestion would be fantastic.