OpenProcess error 5 in Windows XP

作者: admin 分类: 开发问题 发布时间: 2013-11-27 12:01 ė1,577 浏览数 6没有评论
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最近在做一个一键代理浏览器的软件,需要Hook 浏览器的联网。

在Windows7 上一切OK,但是在XP上运行以下代码出错

hRemoteProcess == NULL

查到资料 http://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/eeb93be6-872c-4028-b0ae-cd873e089825/openprocess-error-in-windows-xp

修改OpenProcess的参数 PROCESS_ALL_ACCESS 为PROCESS_VM_READ   it work fine

I just went through OpenProcess API in msdn, it says below for for PROCESS_ALL_ACCESS. I think this was the issue which you were facing.
Windows Server 2003 and Windows XP/2000: The size of the PROCESS_ALL_ACCESS flag increased on Windows Server 2008 and Windows Vista. If an application compiled for Windows Server 2008 and Windows Vista is run on Windows Server 2003 or Windows XP/2000, the PROCESS_ALL_ACCESS flag is too large and the function specifying this flag fails with ERROR_ACCESS_DENIED. To avoid this problem, specify the minimum set of access rights required for the operation. If PROCESS_ALL_ACCESS must be used, set _WIN32_WINNT to the minimum operating system targeted by your application (for example,#define _WIN32_WINNT _WIN32_WINNT_WINXP). For more information, see Using the Windows Headers .

 

good luck for you

 



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