Failed To Openprocess. Error Code 57
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User Space Controller Failed To Openprocess Error Code 57
about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow openprocess error 5 Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping c# openprocess each other. Join them; it only takes a minute: Sign up WinApi OpenProcess error 87 up vote 0 down vote favorite Im trying to open process using Wisual Studio 2012, c++ console application and get 87 error: #include
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window"); HWND wnd = FindWindow(NULL,wname); LPDWORD cpid = 0; DWORD pid = GetWindowThreadProcessId(wnd,cpid); HANDLE proc = OpenProcess(PROCESS_ALL_ACCESS,false,pid); int err = GetLastError(); return err; } P.S. i get the pid correctly c++ winapi share|improve this question asked May 23 '13 at 12:48 user2387336 155 I assume the error is located on HANDLE proc = ... is this correct? The following question's answer might be helpful: stackoverflow.com/questions/4988082/… If I were to hazard an educated guess the reason for this error is because of the PROCESS_ALL_ACCESS based on the documentation: msdn.microsoft.com/en-us/library/windows/desktop/… What operating system was your applicatin compiled on and what operating system is it running on? –Ramhound May 23 '13 at 12:50 Do you actually check the handle you get back before checking for an error? If you got a valid handle then the value from GetLastError is meaningless. –Retired Ninja May 23 '13 at 12:56 @user2387336 - Furthermore OpenProcess returns this error when the pid is invalid, so that could also be the problem, despite you thin
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SQL Server 2014 Express resources Windows Server 2012 resources Programs MSDN subscriptions Overview Benefits Administrators Students Microsoft Imagine Microsoft Student Partners ISV Startups TechRewards Events Community Magazine Forums Blogs Channel 9 Documentation https://social.msdn.microsoft.com/Forums/en-US/f4c1d015-47a5-4630-a611-791bd67767a1/openprocess-is-returning-errorinvalidparameter-in-windows7-64-bit-os?forum=vcgeneral APIs and reference Dev centers Retired content Samples We’re sorry. The content https://www.postgresql.org/message-id/E1MyJPf-0002Rf-00.do_ra_do-mail-ru@f72.mail.ru you requested has been removed. You’ll be auto redirected in 1 second. Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove From My Forums Asked by: OpenProcess is returning ERROR_INVALID_PARAMETER in Windows7 64 bit OS Visual Studio Languages , Windows Desktop failed to Development > Visual C++ Question 0 Sign in to vote Hi , I have to read the memory information of a process (say B) from another process (say A). For this I tried to open the process B from A using OpenProcess with the below code. HANDLE hProcess; hProcess = OpenProcess (PROCESS_QUERY_INFORMATION, FALSE, pid); Here pid is the processid. But error code 57 i am getting error code ERROR_INVALID_PARAMETER in Windows7. But the same code does not return any error code in Windows Xp. Could you please help me to find a solution for this? Edited by AJAY P R Friday, January 31, 2014 4:35 AM Moved by Vicky SongMicrosoft employee Friday, January 31, 2014 7:30 AM Visual C++ related Thursday, January 30, 2014 2:09 PM Reply | Quote All replies 0 Sign in to vote Hi, Iamsorry that here is notthe correct forum for you to deal with your issue. The forum here isto resolve Visual Studio related issues. Andwhat kind of project you are working with? C++ or Windows desktop or ..? I would like to help you to move your issue to the correct forum so that you can get better support. Thanks.We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place. Click HERE to participate the survey. Friday, January 31, 20
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