Pure Virtual Function Call error

Hello,
I´m running a Labview exe with NI DAQ 7.4 and it´s working fine.
the problem happens when I shutdown the computer. An error appears on the screen saying that nipalsm.exe has closed and commited a pure virtual error.
I press OK and the system shutsdown normally. This error doesn't occur all the time, it's random.
Can anybody help with this??
Thanks you,
Paulo

Hi,
Your problem seems to come from the installation of your softwares :
the forum here will give you some details and advices :
http://forums.ni.com/ni/board/message?board.id=250&message.id=13266&requireLogin=False
A possible solution would be to repair your MAX as it is explained in the follwing KB :
http://digital.ni.com/public.nsf/websearch/347EDEE59DA74A8A86256D3A005B460C?OpenDocument
salutations,
Marc L.
NIF

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http://support.apple.com/kb/ht1923
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or
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Message was edited by: DaCheeze

URGENT: Bug in Adobe Acrobat X /// Acrobat.exe Runtime Error! R6025 - pure virtual function call

Hello
I work usually with large PDF documents, and I was trying to convert a PDF document of 1000 pages ONE THOUSAND PAGES, to little PDF documents of 10 MB each one.
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This is a user to user forum and we don't post information here (or anywhere else public) about what may or may not be in future patch releases.
If you have a bug with an Adobe product you must report it using the correct form.

Intermittent Runtime error - pure virtual function call

I have an intermittent runtime error - pure virtual function call & don't know what cause it? Since It only occurs & crashes once awhile therefore it's difficult to trap it for debugging.I suspect it come from TestStand ActiveX API which I use in my User Interface Application project but I'm not really sure.
Does anyone experience this kind of problem when working with TestStand API ? If so any
suggestion? I have noticed in the TestStand API header file teapi.tlh contain many raw_.... function defined as pure virtual function. What are these raw_... function ? I don't think I use any of these function in my project.
Many thanks!

Danh,
I don't believe that your problem can be solved with the information you have provided unless someone else has experienced the same symtpoms which coincidentally have the same cause as in your case.
Is there any other information you can provide that can help localize the problem?
1) What is happening when the error occurs?
2) Does the error always occur in the same place?
3) Does it always occur with use of certain resources (e.g. DAQ, GPIB, VISA, printer)?
4) Does it occur when using the sequence editor?
5) Does it occur when using one of the shipping operator interfaces?
6) Does it occur only when using your operator interfaces?
7)Is it related to a specific sequence or any sequence?
8) Does it happen when you executed your sequence with/without a process model entr
y point (i.e. Execute>>Test UUTs, Execute>>Singal Pass or Execute>>Run MainSequence)?
9) How often does it happen?
10) What version of TestStand are you using?
11) With what language (include versions) are you programming your code modules?
12) With what language (include versions) are you programming your operator interface?
13) Is there any error code reported with this error message?
14) Is this error reported in a TS run-time error dialog or is it reported directly 1by the operating system?
15) Have you searched the web for related errors? For example, the following link describes a particular programming mistake that can lead to this error
http://support.microsoft.com/support/kb/articles/Q125/7/49.asp
By investigating answers to the above questions you may be able to narrow the cause of this error, which might allow you or others to help solve the problem.

Error "pure virtual function call"

Hi,
Windows7, PCI-GPIB, NI-488.2 Version 3.1.1, Visual Studio 2010 C++ Application.
Randomly between 10 minuntes and 4 hours I get the error "pure virtual function call"
With the debbuger attached to the process in error I identified NI4882.dll as the source of the error.
Then I deinstalled NI-488.2 Version 3.1.1 and installed NI488.2 July 2000. Then my application runs without any error!
I tried to attach the source files which represents the interface between my application and the NI-4882 driver but it did not work for the C++ file.
Any help appreciated.
Best Regards
Walter
Attachments:
_GPIB.h ‏4 KB

Part 2:
Int TGpib::Open (UShort adr, ULong timeoutMs)
if (mDevices.empty ())
Reset ();
Int ud = ibdev (mBoardID, adr, 0, TimeoutCode (timeoutMs), 1, 0);
if (ud < 0)
MCTraceLib (this, eTraceError, TFCTX, _T("open device '%d' failed"), adr);
GPIBError (-1, FCTX, true);
return -1;
SDevInfo devInf;
devInf.mGpibAdr = adr;
mDevices[ud] = devInf;
if (!DeviceClear (ud))
MCTraceLib (this, eTraceError, TFCTX, _T("no device on address '%d'"), adr);
GPIBError (ud, FCTX, true);
Close (ud);
return -1;
if (Send (ud, "*IDN?"))
Tstring s = String2Tstring (Enter (ud));
StringList l = Split (s, _T(','));
if (l.size () == 4)
mDevices[ud].mVendorName = l[0];
mDevices[ud].mModelName = l[1];
else
MCTraceLib (this, eTraceError, TFCTX, _T("no device on address '%d'"), adr);
GPIBError (ud, FCTX, true);
Close (ud);
return -1;
Local (ud);
return ud;
bool TGpib::Close (Int ud)
GPIBDevMap::iterator it = mDevices.find (ud);
if (it != mDevices.end ())
Local (ud);
Int stat = ibonl (ud, 0);
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("close device ud = '%d' failed"), ud);
GPIBError (ud, FCTX, true);
return false;
mDevices.erase (it);
return true;
return false;
bool TGpib::SetTimeout (Int ud, ULong timeoutMs)
Int stat = ibtmo (ud, TimeoutCode (timeoutMs));
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("set timeout device ud = '%d' failed"), ud);
GPIBError (ud, FCTX, true);
return false;
return true;
ULong TGpib::Timeout ()
return mTimeout;
bool TGpib::EnableSRQ (Int ud, HANDLE srqEvent)
if (srqEvent != INVALID_HANDLE_VALUE)
GPIBDevMap::iterator it = mDevices.find (ud);
if (it != mDevices.end ())
(it->second).mSRQEvent = srqEvent;
Int stat = ibnotify (mBoardID, SRQI, GpibSRQ, (void*)this);
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("on device ud = '%d' failed"), ud);
GPIBError (ud, FCTX, true);
return false;
MCTraceLib (this, eTraceDebug, TFCTX, _T("(SRQ)on device ud = '%d' success"), ud);
return true;
else
MCTraceLib (this, eTraceError, TFCTX, _T("srqEvent == INVALID_HANDLE_VALUE"));
return false;
bool TGpib::DisableSRQ (Int /*ud*/)
return true;
bool TGpib::Remote (Int ud)
Int adr;
ibask (ud, IbaPAD, &adr);
adr += 32; // Talk Address = Listen Address + 32
char cmdbuf[] = {MTA0, 0, LLO, UNT, UNL};
cmdbuf[1] = char(adr);
Int stat = ibcmd (mBoardID, &cmdbuf, 5);
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("on device ud = '%d' failed"), ud);
GPIBError (ud, FCTX, true);
return false;
mDevices[ud].mRemote = true;
return true;
bool TGpib::Local (Int ud)
mDevices[ud].mRemote = false;
Int stat = ibloc (ud);
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("on device ud = '%d' failed"), ud);
GPIBError (ud, FCTX, true);
return false;
return true;
char TGpib::SerialPoll (Int ud)
char pollChr;
Int stat = ibrsp (ud, &pollChr);
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("on device ud = '%d' failed"), ud);
GPIBError (ud, FCTX);
return false;
return static_cast<char> (pollChr & 0x9F); // VM QueryError eliminieren
bool TGpib::DeviceClear (Int ud)
Int stat = ibclr (ud);
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("on device ud = '%d' failed"), ud);
GPIBError (ud, FCTX, true);
return false;
return true;
bool TGpib::Trigger (Int ud)
Int stat = ibtrg (ud);
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("on device ud = '%d' failed"), ud);
GPIBError (ud, FCTX);
return false;
return true;
bool TGpib::Send (Int ud, const std::string& str)
Int stat = ibeot (ud, 1);
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("'EOI on' on ud = '%d' failed"), ud);
GPIBError (ud, FCTX);
return false;
stat = ibwrt (ud, (void*)str.c_str (), str.length ());
Long sent = ThreadIbcntl ();
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("on device ud = '%d' failed"), ud);
GPIBError (ud, FCTX);
return false;
if (sent != static_cast<Long> (str.length ()))
MCTraceLib (this, eTraceError, TFCTX, _T("only %d of %d characters sent"), sent, str.length ());
return false;
return true;
bool TGpib::SendNoEOI (Int ud, const std::string& str)
Int stat = ibeot (ud, 0);
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("'EOI off' on ud = '%d' failed"), ud);
GPIBError (ud, FCTX);
return false;
stat = ibwrt (ud, (void*)str.c_str (), str.length ());
Long sent = ThreadIbcntl ();
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("on device ud = '%d' failed"), ud);
GPIBError (ud, FCTX);
return false;
if (sent != static_cast<Long> (str.length ()))
MCTraceLib (this, eTraceError, TFCTX, _T("only %d of %d characters sent"), sent, str.length ());
return false;
return true;
std::string TGpib::Enter (Int ud)
std::string str = "";
char* buf = new char[2048];
Int stat = ibrd (ud, (void*)buf, 2047);
Long got = ThreadIbcntl ();
if ((stat & ERR) != 0)
MCTraceLib (this, eTraceError, TFCTX, _T("on device ud = '%d' failed"), ud);
GPIBError (ud, FCTX);
else
buf[got] = '\0';
str = buf;
// eventuelle LF und CR vom Ende entfernen!
string::size_type idx = str.find_last_of (k_CR);
str = str.substr (0, idx);
idx = str.find_last_of (k_LF);
str = str.substr (0, idx);
delete[] buf;
return str;

Pure Virtual Function Call error

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