Why do I get "error code 3: Could not load front panel" when I run my executable.

I have a LV 8.5 VI that controls only an agilent spectum analyzer. The agilent VIs call DLLs rather than SCPI commands. I created an application and an installer to load on a non LV machine and ran setup which was successful. When I run the EXE I get "error code 3: Could not load front panel" for each of my agilent spectrum analyzer VIs. I have to click "OK" about ten times, once for each VI. (My executable runs fine on all machines that have labview 8.5) The front panel does load with a broken arrow. The errors listed when the arrow is clicked for all of the Agilent VIs state: Missing subVI AGE444xInitialize.VI (or close.VI or read.VI etc.)
There is an AGE444x32.DLL in the data folder with the EXE file so I included as support both the DLL and all of the agilent drivers in the application build. Still no luck. I have built the application and installer about 6 times in various forms. I NEED AIR SUPPORT.
Unfortunately I do not have access to the internet at my jobsite so bear with me.
Rob

Hi V-rob,
I'm glad to hear the executable is working now that NI-VISA is installed. Thanks for posting the solution!
Jennifer R.
National Instruments
Applications Engineer

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How to handle LabVIEW Error 3: Could not load front panel

I was working on an application, running a vi when the computer turned off. It took me a little time to start the computer again (is not an old computer, is a P4, 1GB, ABIT IG7 MotherBoard). After I unplugged and plugged the Power Unit it was possible to start the computer, before starting, it says that a CPU problem occured and press F1 to continue. Afer press F1 Windows started normally. Then I tried to open the vi in which I was working when the problem occured and LabVIEW says:
LabVIEW: Resource not found.
An error occurred loading the vi.
LabVIEW load error code 3: Could not load front panel.
The question is, can I open my vi someway or I just lost it?
I will really appreciate your answers since I have been working for a long time in this vi.

Well, I'm faced with this problem now. VI started its life as a 9.01 LV 2009/Vision 2009 on a given machine. Copied to another machine wth 7.1, 8.2 and 9.01 on it. Opened with 2009, saved it for 8.0. Opened it with 8.2, saved it for 7.1. Opened it with 7.1//Vision 7.1.1, edited it, saved. File appears to be fine.
Now trying to open it with either 8.2 or 2009 (9.01) fails with error code 3. Note that it still opens with 7.1, so the front panel is there. Anyway to fix this?

Could not load front panel

I was given an application by a hardware vendor (a test program for their device) that was built via Labview (I have only the .exe). When I try to start it, I get a bunch of "could not load front panel" errors, all of the form:
LabVIEW: Resource not found.
An error occurred loading VI '[x].vi'. LabVIEW load error code 3: Could not load front panel.
[x] is the only difference among the four errors I get, where [x] is:
* NI_AAL_Pro.lvlib:Unwrap Phase.vi
* NI_AAL_Pro.lvlib:Real FFT.vi
* NI_AAL_Pro.lvlibcaled Time Domain Window (DBL).vi
* NI_AAL_Base.lvlib:Mean.vi
Basically every post I can find on ni.com about "could not load front panel" suggests that this is a build-time problem, i.e. that the developer forgot to check a box that would force the missing components to be included, which doesn't help unfortunately... but here's the twist: when I move this to another machine, it works fine. I don't have LabView installed on either machine. Both are Win8.1 x64. I believe the application was built with LabView 2010.
The only relevant difference between the machines that I can think of is that on the machine where the application *doesn't* work, I use many National Instruments device and have installed DAQmx. You'd think that if anything, that would install missing components and make this *less* likely to happen.
Since encountering this problem, I've tried to install every Labview 2010 runtime SP/patch I could find, but unless I'm missing something, there's not really a definitive place I can do to make sure I have all the patches or get a single cumulative rollup.
Any ideas? I don't have access to LabView or the source .vi, but the fact that it works on a second machine suggests there's hope. I really want it to run on my primary machine, where all the relevant hardware is.
Thanks!
-Dan

Is it possible that one machine only has the minimum run time engine (~42MB) installed? You need the full standard version (~180MB).
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Error Code: -17004, Could not load DLL or library

Hi All,
I am getting the following error message:
Error loading step 'x' of sequence 'MainSequence' in file 'y'. Could not load DLL or external library C:\bin\driver.dll
Error Code: -17004, Could not load DLL or library.
Source 'TSAPI"
My main DLL is one written in C in LabWindows. This DLL calls a second DLL that was written in Visual C++
I am using TestStand 2010 SP1 as well as CVI/LabWindows 2010. I have WinXP Professioanl SP3.
This same sequence, DLL1, and DLL2 have worked together in previous versions of TestStand!!!! All I did was upgrade to Developer Suite 2011.......??????
I have reviewed all the posts regarding this problem and have so far done the following:
1. Verified Both DLL1 and DLL2 reside in the same directory
2. Copied DLL2 into C:\Windows\system32
3. Used Dependency Walker to verify that there are no other missing DLL's
4. Unistalled Explorer 8 and installed Explorer 7 because of somthing I saw in depends and something I read while researching this problem.
5. Verified the Search Directories in TestStand
I am wits end, as I cannot determine what the problem is and any suggestions would be welcome
Solved!
Go to Solution.

So I did come up with a solution to this problem, but I don't understand why it solves the issue. Hopefully some of you can provide some insight.
So all my sequences were experiencing the problem described, and all sequences basically call the same dll's over and over.
I have a dll that I use as my "main" dll. All my sequences use this dll and I continually add more functions as our company designes new products, etc. This dll uses functions that are from my CommDll. The CommDll was written in C++, and it is also used in several other dll's that my sequence call's as I use it for all serial/telnet requirements.
So my test sequences for example calls the following dll's usually in this particular order ---
DbDriver - This dll handles all the database functioanality for our products, and calls libMysql.dll
PwrController.dll - this dll controls a pwrcontroller for all power on/power off, reboot, etc of our product. This dll calls the CommDll.
CompanyDll - This is the "main" dll that hadles all the cli commands and other test functions that our product requires. This also calls CommDll.
When the sequence calls are done in the order above, it does not work.. However, if I switch the sequence file to call the CompanyDll before the PwrController.dll everything works fine. Is there an order of operations here????
I also found that when I compiled my PwrController.dll with CVI 2010, it gave me an error could not load PwrController.dll no matter what order the seqence calls were, leading me to believe that I am missing something when building this particular dll. As soon as I copy the original, developed and compiled in 2006, everything works again.
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greggj

Load error code 3 unable to load front panel

Hi all,
Wrote a vi in 8.6 and saved it for 8.5 for collaborators. When they run it up pops the error code 3 unable to load front panel. Memory full. see attached picture.
Has anyone any suggestions as to how to fix this?
Regards,
leeser
Attachments:
labview error code 3.png ‏51 KB

Hi guys,
Thanks for the comments,
Attached is the code (zipped). Excuse the bulkiness of the block diagrams. It basically controls a rotation stage and makes an avi at specific times/angles. The motor stage is ActiveX controlled.
As I don't have access to the hardware I am writing semi-blind. However, when I did visit them and had a quick look at the code I could get it to work by quickly including the subvis into a new main vi and obviously compiling it in 8.5. (may be onto something here!)
Different versions of the labVIEW -> doing a group a favour; I have v8.6 they have v8.5, wrote it in v8.6 saved it for v8.5. I don't have v 8.5. I also have v 8.2.1 on a different machine. Saved it for v8.2.1 and it opened no problem in 8.2.1. Will send this version on and see how they get on. More likely to be forward compatible???
I agree that the optimal situation is 1) use the same version of labview and/or
2) they get someone to do their coding on-site!!!!
I think the corrupt front panel object could be true given that I could get it to work when the subvis were included in a new main vi on-site.
so versions 8.6, 8.5 and 8.2 attached.....
regards,
Leeser
Attachments:
rotation_control.zip ‏178 KB
rotation_control_v8.6.zip ‏60 KB
NCLA_rot_usb_v8.5 Folder.zip ‏141 KB

LabVIEW error code3: Could not load front panel.

Hi
I am getting second time the "LabVIEW error code3: Could not load front panel." when working with the development environment of LabVIEW 2009 SP1.
It is really annoying as I loose time as I have to revert to saved previously code.
Does anybody know where it may be coming from and how to avoid it?
Thanks
Pawel
Solved!
Go to Solution.

Pawel,
the panel has an origin which you can see in your VI:
Every element will be placed in a position in regard to this origin:
The position has a limit in regard to the bound. I am not sure about the value, but it should be around -35k...35k (or the double of it)....
hope this helps,
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SubVI does not open (error 3 could not open front panel)

For the VI I am working in (trail version of Labview 2011), I have created a subVI. At one time I opened this subVI to adjust the connection terminals -which I have done before- and after saving the file and closing it, the subVI remained unadjusted. In fact, I am not able to open the subVI anymore. And when I want to open the file as a VI (e.g. executing the VI in windows), I receive 'load error code 3: could not open front panel.'
I also cannot preform any tasks such as saving the main program for an older version, because this subVI is present in the program.
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ampweightcenter.vi ‏25 KB

Hello Stag,
My name is David and I am an Applications Engineer at National Instruments UK.
To clarify the problem, when you receive this error are you trying to run the VI as an executable, standalone file in Windows? If this is the case then I think that I know what the problem could be. When using the Application Builder the Front Panels of SubVI's are removed to reduce file size. It is possible to include them so that they may open and the steps to doing so are listed in the attached link:
http://digital.ni.com/public.nsf/allkb/8F68715444302CAB86256DDD0071C140?OpenDocument
This link explains why you are receiving this error and how to overcome it.
I hope that this helps you and do not hesitate to contact me if you require more assistance.
Regards
David B
Applications Engineer
National Instruments UK

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Why do I get "error code 3: Could not load front panel" when I run my executable​.

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Why do I get "error code 3: Could not load front panel" when I run my executable.