What causes this error Runtime error 380 Invalid property value

Question

we had developed an application using vb6 0 and SQL server 2000 a few years ago   recently  some of our customers tell us that while running the application  on some of computers which use Winxp sp2 as their O S  they get the following error when they want to show the search form    Runtime error 380  Invalid property value   What causes this error

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I had the same problem in masked edit box control that was used for Date and the error was due to Date format property in Region settings of windows  Changed  M d yyyy  to  dd MM yyyy  and everything worked out

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What causes runtime error 380  Attempting to set a property of an object or control to a value that is not allowed  Look through the code that runs when your search form loads  Form Load etc   for any code that sets a property to something that depends on runtime values    My other advice is to add some error handling and some logging to track down the exact line that is causing the error     Logging Sprinkle statements through the code that say  Got to X    Got to Y   etc  Use these to find the exact location of the error  You can write to a text file or the event log or use OutputDebugString    Error handling Here s how to get a stack trace for the error  Add an error handler to every routine that might be involved  like this code below  The essential free tool MZTools can do this automatically  You could also use Erl to report line numbers and find the exact line - MZTools can automatically put in line numbers for you         On Error Goto Handler     lt routine contents gt      Handler      Err Raise Err Number    function name - gt    amp  Err source  Err Description

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error 380 windows 7 solution very easy just check your date time  amp  regional setting do them correct

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I think  basically the problem lies in the fact  as to under what version of the O S has the programme been compiled and under what version of the O S are you running the programme  I have seen a lot of updated dll and ocx files causing similar errors  especially when the programme has been compiled under older version of the dll and ocx files and during set up the latest dll and ocx files are retained

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One reason for this error is very silly mistake in code  If proper value is not passed to a property of ActiveX  then also this error is thrown   Like empty value is passed to Font Name property or text value is passed to Height property

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Many really silly things can cause this error  The one I ve encountered is a font no longer included with Windows 8 by default - Courier New  The VB6 application had its name hard-coded in one of the forms  hence the message on start-up

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I presume your application uses a masked edit box  This is a relatively well known problem  documented by Microsoft here   http   support microsoft com kb 177088  The article refers to VB4 and 5  but I am pretty sure the same is true for VB6   EDIT  On further research  I am finding references to this problem with other controls as well  Recompiling your application on Windows XP for users that are running XP will probably produce them a working version  though it s not an ideal solution

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Just to throw my two cents in  another common cause of this error in my experience is code in the Form Resize event that uses math to resize controls on a form  Control dimensions  Height and Width  can t be set to negative values  so code like the following in your Form Resize event can cause this error   Private Sub Form Resize        Resize text box to fit the form  with a margin of 1000 twips on the right        This will error out if the width of the Form drops below 1000 twips       txtFirstName Width   Me Width - 1000 End Sub   The above code will raise an an  Invalid property value  error if the form is resized to less than 1000 twips wide  If this is the problem  the easiest solution is to add On Error Resume Next as the first line  so that these kinds of errors are ignored  This is one of those rare situations in VB6 where On Error Resume Next is your friend

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Looks like the answers above are for when you are writing and compiling a program  but  I m using a Vendor s software  Catalog exe  part of the Voyager card catalog by  Ex Libris  and I m getting the error as well   catalog-error png http   img805 imageshack us img805 8275 catalogerror png  I have two Windows 7 32-bit machines  The newer one is giving me the error but on the older one it runs fine  I have done a lot of research with Google and here are some of the things I ve found that people are saying related to this issue  Maybe one of these things will help fix the error for you  although they didn t work for me    An outdated or corrupt video card driver can cause Run-Time Error 380  try updating  Restart in Safe Mode Run system file checker sfc  scannow Run the application as Administrator  right click  Run as Administrator  Get all the MS Windows and MS Office Updates Uninstall and reinstall the software Clean the registry with CCleaner to remove bad or null registry values Reinstall MS Office  or possibly install and older version    Re  install all the Microsoft VB6 runtime libraries  updates  and service packs  Re  install the  Microsoft Visual C   Runtime Library  Configure Windows to use the decimal     when displaying numbers   Select Start   Control Panel   Date  Time  Language  and Regional Options    From what others are saying  like David M  I think it could be related to the MSVBM60 DLL library - but it appears that on both of my computers this file is the exact same  same version  size  date  etc    Since that file wasn t different I tried to find what other  dll  files the application could be using  so I launched Process Explorer by Sysinternals and took a look at the application  it loads and then crashes when you tell it to  connect    and the screenshots below are what I found   screen1 png http   img195 imageshack us img195 2231 screen1oo png  screen2 png http   img88 imageshack us img88 2153 screen2ao png     Now  I m not a Windows   VB programmer  just a power user  and so I m about at the end of my  knowledge for what to do  I ve talked to the software vendor and they recommend reinstalling Windows  That will probably work  but it just bugs me that this program can run on Windows 7  but something on this particular system is causing errors  Finally  this is an image that  has been deployed on multiple machines already and so while re-installing Windows once is not a big deal it would save me some serious time if I could figure out a fix or workaround

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Old thread  but here is an answer   Problematic fonts with voyager  ie  if you install some corel suite  drop some language options away  We dig through this with process monitor and found the reason  with us it was these two font files   DFKai71 ttf dfmw5 ttf  We had same problem and it was fixed by removing these two font files from windows fonts folder

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If you write software  or use software written  which stores program window coordinates or sizes to be resused when starting a program  check there for any occurrence s  of such sizes and positions which would be causing this  I ve seen it time and time again from various vendors lazily producing code which resizes and repositions controls on a  form   a program window  based on the size of said form  Look in HKLM Software Vendor Program and HKCU Software Vendor Program  Look for specific keys which might be offending  I once had a program store -48000 for the program window position in keys called WindowsPosX and WindowPosY  You could see the program start and running on the taskbar but since the program window itself was smaller than 48000  the absolute value of -48000   it was positioned completely off the screen  If you re not comfortable with editing regstry information - most people aren t - then uninstall the software  use a registry cleaner to remove any leftover entries then reinstall the software and see if that doesn t fix the problem

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Could be you are locating in the screen a control  label  frame  text    out of the screen borders  If the position of some control depends of any variable  and that variable is not correctly defined at start  you may have this error message   May be you have different screen resolution in both computers  And that could be the reason   in order to find the program bug  put this line in all subs  on error resume next  if this correct the problem  you must clear this line in every sub  one by one  and verifying if the problem returns  When the problem returns after removing this line in a concrete sub  you will know the subroutine that stores the bug  Search there and you will find it   Santos etronorte com

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2017 I know    but someone is facing this problem during their code maintenance   This error happened when I tried   maskedbox Mask           maskedbox Text    12345678    To fix that  just set PromptInclude property to  false

[vb6] What causes this error? "Runtime error 380: Invalid property value"

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