Internal error of LabVIEW

LabVIEW Internal error of

I met a LabVIEW Error messages for "Failure in XXX.c / XXX.cpp at line YYY". What happened? , How to fix it ？

answer :

Can be accessed by LabVIEW Internal errors support web pages to find special information . LabVIEW What is the internal error of ？ One LabVIEW The internal error of tells us that the existence of a condition prevents LabVIEW Carry on . Usually ,LabVIEW When executing to some point of its internal code , Will judge whether certain conditions are correct . In general , These conditions can be met ,LabVIEW Can handle them . If they are not correct ,LabVIEW An internal error will be reported .LabVIEW Report this internal error , Then close it . Otherwise , May destroy the in memory VI. There are many reasons for internal errors . For this reason , It is very helpful to understand the actions that cause errors , Can be released in the future LabVIEW In the version , modify LabVIEW, To solve these problems . about LabVIEW 7.0 And above , When LabVIEW Restart time , You will encounter a window to investigate internal errors . Through it , You can send this error with its error log to NI It simplifies the process of reporting errors , So any problem found can be studied , It will be solved in future releases . Can be set by Tools>>Options>>Debugging>>Prompt to investigateinternal errors on startup To allow and prohibit the appearance of this window . For the solution LabVIEW General advice on internal errors

stay KnowledgeBase or Developer Exchange discussion Error messages searched in the Forum .

Install the latest LabVIEW to update . Most of the LabVIEW to update , Can be found in the driver and update library .

Contact the manufacturer of the graphics card hardware or printer , Ask for the latest driver .LabVIEW Is a highly image intensive software , Even if other applications work properly ,LabVIEW You may also encounter problems that other programs will not encounter on the graphics card driver .

Delete all temporary files . about Windows 95/98, The temporary file directory is C:\Windows\Temp,Windows NT/2000 Words , yes C:\WINNT\Temp.

Macro compilation （Masscompile）VI（File » Mass Compile or Tools » Advanced » Mass Compile, Depending on LabVIEW edition ）. If from an earlier LabVIEW Update the version to a new version , There may be some older VI No updates . Macro compilation will update these VI So far LabVIEW edition .

Try running the program on another operating system . Knowing whether this problem is related to the platform is very important to solve the problem .

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For the solution LabVIEW Special advice on internal errors

Include image.cpp,image.c,window.cpp,drawmgr.c,color.c,panel.c,panelsup.c,textmgr.c perhaps fontmgr.c Errors often occur in editing , Of course, it may also happen when printing .

Suggest ：

these LabVIEW The internal error of can usually be solved by updating the graphics card driver and printer driver to the latest version . Contact the hardware manufacturer and install the latest driver . A simple way to confirm whether the internal error is related to the driver is to port the code to another machine （ I hope it's a different set of drivers ）, See if this error still exists . If the problem is related to the printer , Try another printer .

Some graphics card drivers also support “ Speed up ” Pattern . We have found that using non accelerated mode can often eliminate errors . about Windows 95/98, Right click my computer icon , choice “ attribute ”. In the performance options , Click the image button , Change hardware acceleration ( For example, if you set “ Full speed ”, Then lower one or two levels ). about Windows 2000/NT, Right click on your desktop , choice “ attribute ”. Click the advanced button on the setup page , Go to the troubleshooting tab .

stay Windows in , Standards provided by the operating system VGA The drive is very stable . Try using this driver , To replace the driver written specifically for the graphics card , If the error disappears , That means that this problem is probably related to the driver provided by your graphics card supplier .

Try adjusting the color panel used by the driver （ for instance 256 color , High color , True color ）. Errors may only occur in one of these patterns . and , Change the resolution representing the screen area （ The number of pixels ）. such as , from 1024 x 768 Display mode to 800 x 600 Pixel display .

If an error occurs during printing , Try to LabVIEW Adjust printing options in Edit » Preferences » Printing.

contain memory.cpp,allocate.cpp The error of is due to an incorrect call to external code （ for example , Call an incorrectly allocated memory DLL or CIN）.

Suggest ：

May refer to LabVIEW The manual seeks to explain the correct usage of memory management （ A set of memory allocation for external code , Independent program platform for management and release ）.

Refer to these available resources on our website ：

Suggest ：

Do not use LabVIEW Using multithreading .Edit » Preferences » Performance and Disk （ perhaps Tools » Options » Performance and Disk, Depending on LabVIEW Version of ） Unchecked "Run with Multiple Threads".

Guarantee DLL It's reentrant （Reentrant）. stay Call Library Function Right click , Select from the menu that pops up “ To configure ”. There is a drop-down menu with two choices ："Runin UI Thread" and "Reentrant", choice "Reentrant".

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